Add 7/63 and 1/84
7/63 + 1/84 is 31/252.
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,
7/63 = 7 × 4/63 × 4 = 28/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
1/84 = 1 × 3/84 × 3 = 3/252 - Add the two like fractions:
28/252 + 3/252 = 28 + 3/252 = 31/252 - So, 7/63 + 1/84 = 31/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/63+1/84 7/63+2/84 21/63+1/84 7/63+3/84 35/63+1/84 7/63+5/84 49/63+1/84 7/63+7/84