Add 7/63 and 8/12
7/63 + 8/12 is 7/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 12 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 12 × 21 = 252,
8/12 = 8 × 21/12 × 21 = 168/252 - Add the two like fractions:
28/252 + 168/252 = 28 + 168/252 = 196/252 - 196/252 simplified gives 7/9
- So, 7/63 + 8/12 = 7/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/63+8/12 7/63+16/12 7/63+8/24 21/63+8/12 7/63+24/12 7/63+8/36 35/63+8/12 7/63+40/12 7/63+8/60 49/63+8/12 7/63+56/12 7/63+8/84