Add 8/56 and 16/42
8/56 + 16/42 is 11/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
8/56 = 8 × 3/56 × 3 = 24/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
16/42 = 16 × 4/42 × 4 = 64/168 - Add the two like fractions:
24/168 + 64/168 = 24 + 64/168 = 88/168 - 88/168 simplified gives 11/21
- So, 8/56 + 16/42 = 11/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/56+16/42 8/56+32/42 8/56+16/84 24/56+16/42 8/56+48/42 40/56+16/42 8/56+80/42