Add 12/18 and 60/63
12/18 + 60/63 is 34/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
12/18 = 12 × 7/18 × 7 = 84/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
60/63 = 60 × 2/63 × 2 = 120/126 - Add the two like fractions:
84/126 + 120/126 = 84 + 120/126 = 204/126 - 204/126 simplified gives 34/21
- So, 12/18 + 60/63 = 34/21
In mixed form: 113/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/18+60/63 12/36+60/63 36/18+60/63 12/54+60/63 60/18+60/63 12/90+60/63 84/18+60/63