Add 4/56 and 20/84
4/56 + 20/84 is 13/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
4/56 = 4 × 3/56 × 3 = 12/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
20/84 = 20 × 2/84 × 2 = 40/168 - Add the two like fractions:
12/168 + 40/168 = 12 + 40/168 = 52/168 - 52/168 simplified gives 13/42
- So, 4/56 + 20/84 = 13/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/56+20/84 4/56+40/84 12/56+20/84 4/56+60/84 20/56+20/84 28/56+20/84