Add 2/15 and 75/70
1st number: 2/15, 2nd number: 1 5/70
2/15 + 75/70 is 253/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
2/15 = 2 × 14/15 × 14 = 28/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
75/70 = 75 × 3/70 × 3 = 225/210 - Add the two like fractions:
28/210 + 225/210 = 28 + 225/210 = 253/210 - So, 2/15 + 75/70 = 253/210
In mixed form: 143/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/15+75/70 2/30+75/70 6/15+75/70 2/45+75/70 10/15+75/70 2/75+75/70 14/15+75/70