Add 72/7 and 9/30
1st number: 10 2/7, 2nd number: 9/30
72/7 + 9/30 is 741/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 7 × 30 = 210,
72/7 = 72 × 30/7 × 30 = 2160/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
9/30 = 9 × 7/30 × 7 = 63/210 - Add the two like fractions:
2160/210 + 63/210 = 2160 + 63/210 = 2223/210 - 2223/210 simplified gives 741/70
- So, 72/7 + 9/30 = 741/70
In mixed form: 1041/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/7+18/30 72/14+9/30 72/7+9/60 72/7+27/30 72/21+9/30 72/7+9/90 72/7+45/30 72/35+9/30 72/7+63/30 72/49+9/30