Add 40/56 and 56/70
40/56 + 56/70 is 53/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
40/56 = 40 × 5/56 × 5 = 200/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
56/70 = 56 × 4/70 × 4 = 224/280 - Add the two like fractions:
200/280 + 224/280 = 200 + 224/280 = 424/280 - 424/280 simplified gives 53/35
- So, 40/56 + 56/70 = 53/35
In mixed form: 118/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/56+56/70