Addition of fractions |
1.- Addition of fractions with the same denominator.
We have one piece of cake (1/5) and we add 2 pieces (2/5). Finally we have three pieces (3/5).
To add fractions with the same denominator, we must add the numerators, keeping the same denominator.
Examples: 2/7 + 3/7 + 1/7 = 6/7; 5/9 + 8/9 = 13/9
Solve these sums: