Add 40/56 and 16/20
40/56 + 16/20 is 53/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 20 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 20 × 14 = 280,
16/20 = 16 × 14/20 × 14 = 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 + 16/20 = 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+16/20 40/56+32/20 40/56+16/40 40/56+48/20 40/56+16/60 40/56+80/20