Add 40/7 and 7/30
1st number: 5 5/7, 2nd number: 7/30
40/7 + 7/30 is 1249/210.
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,
40/7 = 40 × 30/7 × 30 = 1200/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
7/30 = 7 × 7/30 × 7 = 49/210 - Add the two like fractions:
1200/210 + 49/210 = 1200 + 49/210 = 1249/210 - So, 40/7 + 7/30 = 1249/210
In mixed form: 5199/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/7+7/30 40/7+14/30 40/14+7/30 40/7+7/60 40/7+21/30 40/21+7/30 40/7+7/90 40/7+35/30 40/35+7/30 40/7+49/30 40/49+7/30