Add 70/14 and 15/7
1st number: 5 0/14, 2nd number: 2 1/7
70/14 + 15/7 is 50/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 14 × 1 = 14,
70/14 = 70 × 1/14 × 1 = 70/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
15/7 = 15 × 2/7 × 2 = 30/14 - Add the two like fractions:
70/14 + 30/14 = 70 + 30/14 = 100/14 - 100/14 simplified gives 50/7
- So, 70/14 + 15/7 = 50/7
In mixed form: 71/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/14+30/7 70/28+15/7 70/14+15/14 70/14+45/7 70/42+15/7 70/14+15/21 70/14+75/7 70/14+15/35 70/98+15/7 70/14+15/49