Add 64/7 and 9/30
1st number: 9 1/7, 2nd number: 9/30
64/7 + 9/30 is 661/70.
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,
64/7 = 64 × 30/7 × 30 = 1920/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
9/30 = 9 × 7/30 × 7 = 63/210 - Add the two like fractions:
1920/210 + 63/210 = 1920 + 63/210 = 1983/210 - 1983/210 simplified gives 661/70
- So, 64/7 + 9/30 = 661/70
In mixed form: 931/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/7+18/30 64/14+9/30 64/7+9/60 64/7+27/30 64/21+9/30 64/7+9/90 64/7+45/30 64/35+9/30 64/7+63/30 64/49+9/30