Add 20/18 and 1/63
1st number: 1 2/18, 2nd number: 1/63
20/18 + 1/63 is 71/63.
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,
1/63 = 1 × 2/63 × 2 = 2/126 - Add the two like fractions:
140/126 + 2/126 = 140 + 2/126 = 142/126 - 142/126 simplified gives 71/63
- So, 20/18 + 1/63 = 71/63
In mixed form: 18/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/18+1/63 20/18+2/63 20/36+1/63 60/18+1/63 20/18+3/63 20/54+1/63 20/18+5/63 20/90+1/63 20/18+7/63