Add 56/63 and 48/20
1st number: 56/63, 2nd number: 2 8/20
56/63 + 48/20 is 148/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 20 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
56/63 = 56 × 20/63 × 20 = 1120/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
48/20 = 48 × 63/20 × 63 = 3024/1260 - Add the two like fractions:
1120/1260 + 3024/1260 = 1120 + 3024/1260 = 4144/1260 - 4144/1260 simplified gives 148/45
- So, 56/63 + 48/20 = 148/45
In mixed form: 313/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63+96/20 56/63+48/40 56/63+48/60