Add 20/32 and 45/63
20/32 + 45/63 is 75/56.
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,
20/32 = 20 × 63/32 × 63 = 1260/2016 - Likewise, for the 2nd fraction, since 63 × 32 = 2016,
45/63 = 45 × 32/63 × 32 = 1440/2016 - Add the two like fractions:
1260/2016 + 1440/2016 = 1260 + 1440/2016 = 2700/2016 - 2700/2016 simplified gives 75/56
- So, 20/32 + 45/63 = 75/56
In mixed form: 119/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/32+45/63 20/32+90/63 20/64+45/63 60/32+45/63 20/96+45/63