Add 9/63 and 14/84
9/63 + 14/84 is 13/42.
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,
9/63 = 9 × 4/63 × 4 = 36/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
14/84 = 14 × 3/84 × 3 = 42/252 - Add the two like fractions:
36/252 + 42/252 = 36 + 42/252 = 78/252 - 78/252 simplified gives 13/42
- So, 9/63 + 14/84 = 13/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/63+14/84 9/63+28/84 27/63+14/84 9/63+42/84 45/63+14/84 9/63+70/84 9/63+98/84