Add 5/7 and 9/30
5/7 + 9/30 is 71/70.
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,
5/7 = 5 × 30/7 × 30 = 150/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
9/30 = 9 × 7/30 × 7 = 63/210 - Add the two like fractions:
150/210 + 63/210 = 150 + 63/210 = 213/210 - 213/210 simplified gives 71/70
- So, 5/7 + 9/30 = 71/70
In mixed form: 11/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/7+9/30 5/7+18/30 5/14+9/30 5/7+9/60 15/7+9/30 5/7+27/30 5/21+9/30 5/7+9/90 25/7+9/30 5/7+45/30 5/35+9/30 35/7+9/30 5/7+63/30 5/49+9/30