Add 20/63 and 72/32
1st number: 20/63, 2nd number: 2 8/32
20/63 + 72/32 is 647/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 32 is 2016
Next, find the equivalent fraction of both fractional numbers with denominator 2016 - For the 1st fraction, since 63 × 32 = 2016,
20/63 = 20 × 32/63 × 32 = 640/2016 - Likewise, for the 2nd fraction, since 32 × 63 = 2016,
72/32 = 72 × 63/32 × 63 = 4536/2016 - Add the two like fractions:
640/2016 + 4536/2016 = 640 + 4536/2016 = 5176/2016 - 5176/2016 simplified gives 647/252
- So, 20/63 + 72/32 = 647/252
In mixed form: 2143/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/63+72/32 20/63+72/64 60/63+72/32 20/63+72/96