Add 56/12 and 54/63
1st number: 4 8/12, 2nd number: 54/63
56/12 + 54/63 is 116/21.
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,
56/12 = 56 × 21/12 × 21 = 1176/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
54/63 = 54 × 4/63 × 4 = 216/252 - Add the two like fractions:
1176/252 + 216/252 = 1176 + 216/252 = 1392/252 - 1392/252 simplified gives 116/21
- So, 56/12 + 54/63 = 116/21
In mixed form: 511/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/24+54/63 56/36+54/63 56/60+54/63 56/84+54/63