Add 4/56 and 8/20
4/56 + 8/20 is 33/70.
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,
4/56 = 4 × 5/56 × 5 = 20/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
8/20 = 8 × 14/20 × 14 = 112/280 - Add the two like fractions:
20/280 + 112/280 = 20 + 112/280 = 132/280 - 132/280 simplified gives 33/70
- So, 4/56 + 8/20 = 33/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/56+8/20 4/56+16/20 4/56+8/40 12/56+8/20 4/56+24/20 4/56+8/60 20/56+8/20 4/56+40/20 28/56+8/20 4/56+56/20