Add 48/21 and 56/12
1st number: 2 6/21, 2nd number: 4 8/12
48/21 + 56/12 is 146/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
48/21 = 48 × 4/21 × 4 = 192/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
56/12 = 56 × 7/12 × 7 = 392/84 - Add the two like fractions:
192/84 + 392/84 = 192 + 392/84 = 584/84 - 584/84 simplified gives 146/21
- So, 48/21 + 56/12 = 146/21
In mixed form: 620/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/21+56/12 48/42+56/12 48/21+56/24 48/63+56/12 48/21+56/36 48/21+56/60 48/21+56/84