Add 30/72 and 10/63
30/72 + 10/63 is 145/252.
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,
30/72 = 30 × 7/72 × 7 = 210/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
10/63 = 10 × 8/63 × 8 = 80/504 - Add the two like fractions:
210/504 + 80/504 = 210 + 80/504 = 290/504 - 290/504 simplified gives 145/252
- So, 30/72 + 10/63 = 145/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/72+10/63 30/72+20/63 90/72+10/63 30/72+30/63 30/72+50/63 30/72+70/63