Add 1/18 and 40/63
1/18 + 40/63 is 29/42.
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,
1/18 = 1 × 7/18 × 7 = 7/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
40/63 = 40 × 2/63 × 2 = 80/126 - Add the two like fractions:
7/126 + 80/126 = 7 + 80/126 = 87/126 - 87/126 simplified gives 29/42
- So, 1/18 + 40/63 = 29/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/18+40/63 1/18+80/63 1/36+40/63 3/18+40/63 1/54+40/63 5/18+40/63 1/90+40/63 7/18+40/63