Add 7/72 and 1/63
7/72 + 1/63 is 19/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
7/72 = 7 × 7/72 × 7 = 49/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
1/63 = 1 × 8/63 × 8 = 8/504 - Add the two like fractions:
49/504 + 8/504 = 49 + 8/504 = 57/504 - 57/504 simplified gives 19/168
- So, 7/72 + 1/63 = 19/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/72+1/63 7/72+2/63 21/72+1/63 7/72+3/63 35/72+1/63 7/72+5/63 49/72+1/63 7/72+7/63