Add 50/63 and 8/72
50/63 + 8/72 is 19/21.
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,
50/63 = 50 × 8/63 × 8 = 400/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
8/72 = 8 × 7/72 × 7 = 56/504 - Add the two like fractions:
400/504 + 56/504 = 400 + 56/504 = 456/504 - 456/504 simplified gives 19/21
- So, 50/63 + 8/72 = 19/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/63+16/72 50/63+24/72 50/63+40/72 50/63+56/72