Add 18/63 and 2/72
18/63 + 2/72 is 79/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
18/63 = 18 × 8/63 × 8 = 144/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
2/72 = 2 × 7/72 × 7 = 14/504 - Add the two like fractions:
144/504 + 14/504 = 144 + 14/504 = 158/504 - 158/504 simplified gives 79/252
- So, 18/63 + 2/72 = 79/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/63+2/72 18/63+4/72 54/63+2/72 18/63+6/72 90/63+2/72 18/63+10/72 18/63+14/72