Add 72/10 and 4/7
1st number: 7 2/10, 2nd number: 4/7
72/10 + 4/7 is 272/35.
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,
4/7 = 4 × 10/7 × 10 = 40/70 - Add the two like fractions:
504/70 + 40/70 = 504 + 40/70 = 544/70 - 544/70 simplified gives 272/35
- So, 72/10 + 4/7 = 272/35
In mixed form: 727/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/10+8/7 72/20+4/7 72/10+4/14 72/10+12/7 72/30+4/7 72/10+4/21 72/10+20/7 72/50+4/7 72/10+4/35 72/10+28/7 72/70+4/7 72/10+4/49