Add 42/45 and 63/32
1st number: 42/45, 2nd number: 1 31/32
42/45 + 63/32 is 1393/480.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 32 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 45 × 32 = 1440,
42/45 = 42 × 32/45 × 32 = 1344/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
63/32 = 63 × 45/32 × 45 = 2835/1440 - Add the two like fractions:
1344/1440 + 2835/1440 = 1344 + 2835/1440 = 4179/1440 - 4179/1440 simplified gives 1393/480
- So, 42/45 + 63/32 = 1393/480
In mixed form: 2433/480
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/45+63/32 42/90+63/32 42/45+63/64 42/45+63/96