Add 20/18 and 32/63
1st number: 1 2/18, 2nd number: 32/63
20/18 + 32/63 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,
20/18 = 20 × 7/18 × 7 = 140/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
32/63 = 32 × 2/63 × 2 = 64/126 - Add the two like fractions:
140/126 + 64/126 = 140 + 64/126 = 204/126 - 204/126 simplified gives 34/21
- So, 20/18 + 32/63 = 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: 40/18+32/63 20/18+64/63 20/36+32/63 60/18+32/63 20/18+96/63 20/54+32/63 20/90+32/63