Add 32/84 and 63/90
32/84 + 63/90 is 227/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 84 × 15 = 1260,
32/84 = 32 × 15/84 × 15 = 480/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
63/90 = 63 × 14/90 × 14 = 882/1260 - Add the two like fractions:
480/1260 + 882/1260 = 480 + 882/1260 = 1362/1260 - 1362/1260 simplified gives 227/210
- So, 32/84 + 63/90 = 227/210
In mixed form: 117/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/84+63/90 96/84+63/90