Add 49/56 and 8/20
49/56 + 8/20 is 51/40.
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,
49/56 = 49 × 5/56 × 5 = 245/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
8/20 = 8 × 14/20 × 14 = 112/280 - Add the two like fractions:
245/280 + 112/280 = 245 + 112/280 = 357/280 - 357/280 simplified gives 51/40
- So, 49/56 + 8/20 = 51/40
In mixed form: 111/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/56+8/20 49/56+16/20 49/56+8/40 49/56+24/20 49/56+8/60 49/56+40/20 49/56+56/20