Add 30/63 and 20/72
30/63 + 20/72 is 95/126.
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,
30/63 = 30 × 8/63 × 8 = 240/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
20/72 = 20 × 7/72 × 7 = 140/504 - Add the two like fractions:
240/504 + 140/504 = 240 + 140/504 = 380/504 - 380/504 simplified gives 95/126
- So, 30/63 + 20/72 = 95/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/63+20/72 30/63+40/72 90/63+20/72 30/63+60/72