Add 18/8 and 9/63
1st number: 2 2/8, 2nd number: 9/63
18/8 + 9/63 is 67/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 8 × 63 = 504,
18/8 = 18 × 63/8 × 63 = 1134/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
9/63 = 9 × 8/63 × 8 = 72/504 - Add the two like fractions:
1134/504 + 72/504 = 1134 + 72/504 = 1206/504 - 1206/504 simplified gives 67/28
- So, 18/8 + 9/63 = 67/28
In mixed form: 211/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/8+9/63 18/8+18/63 18/16+9/63 54/8+9/63 18/8+27/63 18/24+9/63 90/8+9/63 18/8+45/63 18/40+9/63 18/56+9/63