Add 1/72 and 40/63
1/72 + 40/63 is 109/168.
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,
1/72 = 1 × 7/72 × 7 = 7/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
40/63 = 40 × 8/63 × 8 = 320/504 - Add the two like fractions:
7/504 + 320/504 = 7 + 320/504 = 327/504 - 327/504 simplified gives 109/168
- So, 1/72 + 40/63 = 109/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/72+40/63 1/72+80/63 3/72+40/63 5/72+40/63 7/72+40/63