Add 1/15 and 70/49
1st number: 1/15, 2nd number: 1 21/49
1/15 + 70/49 is 157/105.
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,
1/15 = 1 × 49/15 × 49 = 49/735 - Likewise, for the 2nd fraction, since 49 × 15 = 735,
70/49 = 70 × 15/49 × 15 = 1050/735 - Add the two like fractions:
49/735 + 1050/735 = 49 + 1050/735 = 1099/735 - 1099/735 simplified gives 157/105
- So, 1/15 + 70/49 = 157/105
In mixed form: 152/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/15+70/49 1/30+70/49 1/15+70/98 3/15+70/49 1/45+70/49 5/15+70/49 1/75+70/49 7/15+70/49