Add 21/70 and 70/14
1st number: 21/70, 2nd number: 5 0/14
21/70 + 70/14 is 53/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
21/70 = 21 × 1/70 × 1 = 21/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
70/14 = 70 × 5/14 × 5 = 350/70 - Add the two like fractions:
21/70 + 350/70 = 21 + 350/70 = 371/70 - 371/70 simplified gives 53/10
- So, 21/70 + 70/14 = 53/10
In mixed form: 53/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/70+70/14 21/70+70/28 63/70+70/14 21/70+70/42 21/70+70/98