Add 72/32 and 42/63
1st number: 2 8/32, 2nd number: 42/63
72/32 + 42/63 is 35/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 63 is 2016
Next, find the equivalent fraction of both fractional numbers with denominator 2016 - For the 1st fraction, since 32 × 63 = 2016,
72/32 = 72 × 63/32 × 63 = 4536/2016 - Likewise, for the 2nd fraction, since 63 × 32 = 2016,
42/63 = 42 × 32/63 × 32 = 1344/2016 - Add the two like fractions:
4536/2016 + 1344/2016 = 4536 + 1344/2016 = 5880/2016 - 5880/2016 simplified gives 35/12
- So, 72/32 + 42/63 = 35/12
In mixed form: 211/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/32+84/63 72/64+42/63 72/96+42/63