Add 20/18 and 3/7
1st number: 1 2/18, 2nd number: 3/7
20/18 + 3/7 is 97/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 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 7 × 18 = 126,
3/7 = 3 × 18/7 × 18 = 54/126 - Add the two like fractions:
140/126 + 54/126 = 140 + 54/126 = 194/126 - 194/126 simplified gives 97/63
- So, 20/18 + 3/7 = 97/63
In mixed form: 134/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/18+3/7 20/18+6/7 20/36+3/7 20/18+3/14 60/18+3/7 20/18+9/7 20/54+3/7 20/18+3/21 20/18+15/7 20/90+3/7 20/18+3/35 20/18+21/7 20/18+3/49