Add 15/14 and 70/15
1st number: 1 1/14, 2nd number: 4 10/15
15/14 + 70/15 is 241/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
15/14 = 15 × 15/14 × 15 = 225/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
70/15 = 70 × 14/15 × 14 = 980/210 - Add the two like fractions:
225/210 + 980/210 = 225 + 980/210 = 1205/210 - 1205/210 simplified gives 241/42
- So, 15/14 + 70/15 = 241/42
In mixed form: 531/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/14+70/15 15/28+70/15 15/14+70/30 45/14+70/15 15/42+70/15 15/14+70/45 75/14+70/15 15/70+70/15 15/14+70/75 15/98+70/15