Add 63/18 and 63/60
1st number: 3 9/18, 2nd number: 1 3/60
63/18 + 63/60 is 91/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
63/18 = 63 × 10/18 × 10 = 630/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
63/60 = 63 × 3/60 × 3 = 189/180 - Add the two like fractions:
630/180 + 189/180 = 630 + 189/180 = 819/180 - 819/180 simplified gives 91/20
- So, 63/18 + 63/60 = 91/20
In mixed form: 411/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/36+63/60 63/54+63/60 63/90+63/60