Add 7/18 and 1/63
7/18 + 1/63 is 17/42.
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,
7/18 = 7 × 7/18 × 7 = 49/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
1/63 = 1 × 2/63 × 2 = 2/126 - Add the two like fractions:
49/126 + 2/126 = 49 + 2/126 = 51/126 - 51/126 simplified gives 17/42
- So, 7/18 + 1/63 = 17/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/18+1/63 7/18+2/63 7/36+1/63 21/18+1/63 7/18+3/63 7/54+1/63 35/18+1/63 7/18+5/63 7/90+1/63 49/18+1/63 7/18+7/63