Add 3/7 and 40/10
1st number: 3/7, 2nd number: 4 0/10
3/7 + 40/10 is 31/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
3/7 = 3 × 10/7 × 10 = 30/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
40/10 = 40 × 7/10 × 7 = 280/70 - Add the two like fractions:
30/70 + 280/70 = 30 + 280/70 = 310/70 - 310/70 simplified gives 31/7
- So, 3/7 + 40/10 = 31/7
In mixed form: 43/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/7+40/10 3/7+80/10 3/14+40/10 3/7+40/20 9/7+40/10 3/21+40/10 3/7+40/30 15/7+40/10 3/35+40/10 3/7+40/50 21/7+40/10 3/49+40/10 3/7+40/70