Add 70/7 and 72/10
1st number: 10 0/7, 2nd number: 7 2/10
70/7 + 72/10 is 86/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
70/7 = 70 × 10/7 × 10 = 700/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
72/10 = 72 × 7/10 × 7 = 504/70 - Add the two like fractions:
700/70 + 504/70 = 700 + 504/70 = 1204/70 - 1204/70 simplified gives 86/5
- So, 70/7 + 72/10 = 86/5
In mixed form: 171/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/14+72/10 70/7+72/20 70/21+72/10 70/7+72/30 70/35+72/10 70/7+72/50 70/49+72/10 70/7+72/70