Add 70/15 and 15/70
1st number: 4 10/15, 2nd number: 15/70
70/15 + 15/70 is 205/42.
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,
70/15 = 70 × 14/15 × 14 = 980/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
15/70 = 15 × 3/70 × 3 = 45/210 - Add the two like fractions:
980/210 + 45/210 = 980 + 45/210 = 1025/210 - 1025/210 simplified gives 205/42
- So, 70/15 + 15/70 = 205/42
In mixed form: 437/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15+30/70 70/30+15/70 70/15+45/70 70/45+15/70 70/15+75/70 70/75+15/70