Adding and subtracting Fractions
1 + 1 3 1 + 2 5 15 + 1 1 and 7 5 + 2 1 and 1 1 + 1 5 1 + 1 8 5 + 2 1 and 1 7 + 1 1 and 5 1 - 1 1 1 - 1 2 2 - 1 1 3 - 1 4 5 - 1 27 2 and 3 - 1 2 and 1 1 and 2 - 1 1 and 1 3 and 1 - 3 2 and 9 2 and 1 - 1 and 1 5
1 + 1 3 1 + 2 5 15 + 1 1 and 7 5 + 2 1 and 1 1 + 1 5 1 + 1 8 5 + 2 1 and 1 7 + 1 1 and 5 1 - 1 1 1 - 1 2 2 - 1 1 3 - 1 4 5 - 1 27 2 and 3 - 1 2 and 1 1 and 2 - 1 1 and 1 3 and 1 - 3 2 and 9 2 and 1 - 1 and 1 5