Add 3/7 and 72/10
1st number: 3/7, 2nd number: 7 2/10
3/7 + 72/10 is 267/35.
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,
3/7 = 3 × 10/7 × 10 = 30/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
72/10 = 72 × 7/10 × 7 = 504/70 - Add the two like fractions:
30/70 + 504/70 = 30 + 504/70 = 534/70 - 534/70 simplified gives 267/35
- So, 3/7 + 72/10 = 267/35
In mixed form: 722/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/7+72/10 3/14+72/10 3/7+72/20 9/7+72/10 3/21+72/10 3/7+72/30 15/7+72/10 3/35+72/10 3/7+72/50 21/7+72/10 3/49+72/10 3/7+72/70