Add 9/63 and 7/84
9/63 + 7/84 is 19/84.
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,
7/84 = 7 × 3/84 × 3 = 21/252 - Add the two like fractions:
36/252 + 21/252 = 36 + 21/252 = 57/252 - 57/252 simplified gives 19/84
- So, 9/63 + 7/84 = 19/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/63+7/84 9/63+14/84 27/63+7/84 9/63+21/84 45/63+7/84 9/63+35/84 9/63+49/84