Add 12/90 and 63/32
1st number: 12/90, 2nd number: 1 31/32
12/90 + 63/32 is 1009/480.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 32 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 90 × 16 = 1440,
12/90 = 12 × 16/90 × 16 = 192/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
63/32 = 63 × 45/32 × 45 = 2835/1440 - Add the two like fractions:
192/1440 + 2835/1440 = 192 + 2835/1440 = 3027/1440 - 3027/1440 simplified gives 1009/480
- So, 12/90 + 63/32 = 1009/480
In mixed form: 249/480
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/90+63/32 12/90+63/64 36/90+63/32 12/90+63/96 60/90+63/32 84/90+63/32