Add 60/42 and 1/72
1st number: 1 18/42, 2nd number: 1/72
60/42 + 1/72 is 727/504.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 42 × 12 = 504,
60/42 = 60 × 12/42 × 12 = 720/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
1/72 = 1 × 7/72 × 7 = 7/504 - Add the two like fractions:
720/504 + 7/504 = 720 + 7/504 = 727/504 - So, 60/42 + 1/72 = 727/504
In mixed form: 1223/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/42+2/72 60/84+1/72 60/42+3/72 60/42+5/72 60/42+7/72