Add 40/7 and 70/60
1st number: 5 5/7, 2nd number: 1 10/60
40/7 + 70/60 is 289/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 7 × 60 = 420,
40/7 = 40 × 60/7 × 60 = 2400/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
70/60 = 70 × 7/60 × 7 = 490/420 - Add the two like fractions:
2400/420 + 490/420 = 2400 + 490/420 = 2890/420 - 2890/420 simplified gives 289/42
- So, 40/7 + 70/60 = 289/42
In mixed form: 637/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/7+70/60 40/14+70/60 40/21+70/60 40/35+70/60 40/49+70/60