Add 15/3 and 42/49
1st number: 5 0/3, 2nd number: 42/49
15/3 + 42/49 is 41/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 49 is 147
Next, find the equivalent fraction of both fractional numbers with denominator 147 - For the 1st fraction, since 3 × 49 = 147,
15/3 = 15 × 49/3 × 49 = 735/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
42/49 = 42 × 3/49 × 3 = 126/147 - Add the two like fractions:
735/147 + 126/147 = 735 + 126/147 = 861/147 - 861/147 simplified gives 41/7
- So, 15/3 + 42/49 = 41/7
In mixed form: 56/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/3+42/49 15/3+84/49 15/6+42/49 15/3+42/98 45/3+42/49 15/9+42/49 75/3+42/49 15/21+42/49