Add 20/7 and 75/70
1st number: 2 6/7, 2nd number: 1 5/70
20/7 + 75/70 is 55/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
20/7 = 20 × 10/7 × 10 = 200/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
75/70 = 75 × 1/70 × 1 = 75/70 - Add the two like fractions:
200/70 + 75/70 = 200 + 75/70 = 275/70 - 275/70 simplified gives 55/14
- So, 20/7 + 75/70 = 55/14
In mixed form: 313/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/7+75/70 20/14+75/70 60/7+75/70 20/21+75/70 20/35+75/70 20/49+75/70