Add 72/10 and 27/7
1st number: 7 2/10, 2nd number: 3 6/7
72/10 + 27/7 is 387/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
72/10 = 72 × 7/10 × 7 = 504/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
27/7 = 27 × 10/7 × 10 = 270/70 - Add the two like fractions:
504/70 + 270/70 = 504 + 270/70 = 774/70 - 774/70 simplified gives 387/35
- So, 72/10 + 27/7 = 387/35
In mixed form: 112/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/10+54/7 72/20+27/7 72/10+27/14 72/10+81/7 72/30+27/7 72/10+27/21 72/50+27/7 72/10+27/35 72/70+27/7 72/10+27/49