Add 3/15 and 42/49
3/15 + 42/49 is 37/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 49 is 735
Next, find the equivalent fraction of both fractional numbers with denominator 735 - For the 1st fraction, since 15 × 49 = 735,
3/15 = 3 × 49/15 × 49 = 147/735 - Likewise, for the 2nd fraction, since 49 × 15 = 735,
42/49 = 42 × 15/49 × 15 = 630/735 - Add the two like fractions:
147/735 + 630/735 = 147 + 630/735 = 777/735 - 777/735 simplified gives 37/35
- So, 3/15 + 42/49 = 37/35
In mixed form: 12/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15+42/49 3/15+84/49 3/30+42/49 3/15+42/98 9/15+42/49 3/45+42/49 3/75+42/49 21/15+42/49