Add 20/7 and 1/72
1st number: 2 6/7, 2nd number: 1/72
20/7 + 1/72 is 1447/504.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 7 × 72 = 504,
20/7 = 20 × 72/7 × 72 = 1440/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
1/72 = 1 × 7/72 × 7 = 7/504 - Add the two like fractions:
1440/504 + 7/504 = 1440 + 7/504 = 1447/504 - So, 20/7 + 1/72 = 1447/504
In mixed form: 2439/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/7+1/72 20/7+2/72 20/14+1/72 60/7+1/72 20/7+3/72 20/21+1/72 20/7+5/72 20/35+1/72 20/7+7/72 20/49+1/72