Add 20/49 and 63/8
1st number: 20/49, 2nd number: 7 7/8
20/49 + 63/8 is 3247/392.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 8 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 49 × 8 = 392,
20/49 = 20 × 8/49 × 8 = 160/392 - Likewise, for the 2nd fraction, since 8 × 49 = 392,
63/8 = 63 × 49/8 × 49 = 3087/392 - Add the two like fractions:
160/392 + 3087/392 = 160 + 3087/392 = 3247/392 - So, 20/49 + 63/8 = 3247/392
In mixed form: 8111/392
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/49+63/8 20/98+63/8 20/49+63/16 60/49+63/8 20/49+63/24 20/49+63/40 20/49+63/56