Add 12/72 and 50/63
12/72 + 50/63 is 121/126.
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,
12/72 = 12 × 7/72 × 7 = 84/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
50/63 = 50 × 8/63 × 8 = 400/504 - Add the two like fractions:
84/504 + 400/504 = 84 + 400/504 = 484/504 - 484/504 simplified gives 121/126
- So, 12/72 + 50/63 = 121/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/72+50/63 36/72+50/63 60/72+50/63 84/72+50/63