Add 9/72 and 40/63
9/72 + 40/63 is 383/504.
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,
9/72 = 9 × 7/72 × 7 = 63/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
40/63 = 40 × 8/63 × 8 = 320/504 - Add the two like fractions:
63/504 + 320/504 = 63 + 320/504 = 383/504 - So, 9/72 + 40/63 = 383/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/72+40/63 9/72+80/63 27/72+40/63 45/72+40/63 63/72+40/63