Add 70/15 and 7/49
1st number: 4 10/15, 2nd number: 7/49
70/15 + 7/49 is 101/21.
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,
70/15 = 70 × 49/15 × 49 = 3430/735 - Likewise, for the 2nd fraction, since 49 × 15 = 735,
7/49 = 7 × 15/49 × 15 = 105/735 - Add the two like fractions:
3430/735 + 105/735 = 3430 + 105/735 = 3535/735 - 3535/735 simplified gives 101/21
- So, 70/15 + 7/49 = 101/21
In mixed form: 417/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15+14/49 70/30+7/49 70/15+7/98 70/15+21/49 70/45+7/49 70/15+35/49 70/75+7/49