Add EgyptianFraction algorithm (#5804)

src/test/java/com/thealgorithms/greedyalgorithms/EgyptianFractionTest.java

@@ -0,0 +1,22 @@
+package com.thealgorithms.greedyalgorithms;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import java.util.List;
+import java.util.stream.Stream;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+
+public class EgyptianFractionTest {
+
+    @ParameterizedTest
+    @MethodSource("fractionProvider")
+    public void testGetEgyptianFraction(int numerator, int denominator, List<String> expected) {
+        assertEquals(expected, EgyptianFraction.getEgyptianFraction(numerator, denominator));
+    }
+
+    private static Stream<Arguments> fractionProvider() {
+        return Stream.of(Arguments.of(2, 3, List.of("1/2", "1/6")), Arguments.of(3, 10, List.of("1/4", "1/20")), Arguments.of(1, 3, List.of("1/3")), Arguments.of(1, 2, List.of("1/2")), Arguments.of(4, 13, List.of("1/4", "1/18", "1/468")));
+    }
+}