Add 8/63 and 15/84
8/63 + 15/84 is 11/36.
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,
8/63 = 8 × 4/63 × 4 = 32/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
15/84 = 15 × 3/84 × 3 = 45/252 - Add the two like fractions:
32/252 + 45/252 = 32 + 45/252 = 77/252 - 77/252 simplified gives 11/36
- So, 8/63 + 15/84 = 11/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/63+15/84 8/63+30/84 24/63+15/84 8/63+45/84 40/63+15/84 8/63+75/84 56/63+15/84