Add 60/28 and 20/72
1st number: 2 4/28, 2nd number: 20/72
60/28 + 20/72 is 305/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 28 × 18 = 504,
60/28 = 60 × 18/28 × 18 = 1080/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
20/72 = 20 × 7/72 × 7 = 140/504 - Add the two like fractions:
1080/504 + 140/504 = 1080 + 140/504 = 1220/504 - 1220/504 simplified gives 305/126
- So, 60/28 + 20/72 = 305/126
In mixed form: 253/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/28+40/72 60/56+20/72 60/28+60/72 60/84+20/72