Add 20/49 and 81/48
1st number: 20/49, 2nd number: 1 33/48
20/49 + 81/48 is 1643/784.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 48 is 2352
Next, find the equivalent fraction of both fractional numbers with denominator 2352 - For the 1st fraction, since 49 × 48 = 2352,
20/49 = 20 × 48/49 × 48 = 960/2352 - Likewise, for the 2nd fraction, since 48 × 49 = 2352,
81/48 = 81 × 49/48 × 49 = 3969/2352 - Add the two like fractions:
960/2352 + 3969/2352 = 960 + 3969/2352 = 4929/2352 - 4929/2352 simplified gives 1643/784
- So, 20/49 + 81/48 = 1643/784
In mixed form: 275/784
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/49+81/48 20/98+81/48 20/49+81/96 60/49+81/48