Add 56/63 and 7/84
56/63 + 7/84 is 35/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
56/63 = 56 × 4/63 × 4 = 224/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
7/84 = 7 × 3/84 × 3 = 21/252 - Add the two like fractions:
224/252 + 21/252 = 224 + 21/252 = 245/252 - 245/252 simplified gives 35/36
- So, 56/63 + 7/84 = 35/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63+14/84 56/63+21/84 56/63+35/84 56/63+49/84