Add 30/12 and 48/63
1st number: 2 6/12, 2nd number: 48/63
30/12 + 48/63 is 137/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
30/12 = 30 × 21/12 × 21 = 630/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
48/63 = 48 × 4/63 × 4 = 192/252 - Add the two like fractions:
630/252 + 192/252 = 630 + 192/252 = 822/252 - 822/252 simplified gives 137/42
- So, 30/12 + 48/63 = 137/42
In mixed form: 311/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/12+48/63 30/12+96/63 30/24+48/63 90/12+48/63 30/36+48/63 30/60+48/63 30/84+48/63