Add 30/72 and 72/56
1st number: 30/72, 2nd number: 1 16/56
30/72 + 72/56 is 143/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 56 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 56 × 9 = 504,
72/56 = 72 × 9/56 × 9 = 648/504 - Add the two like fractions:
210/504 + 648/504 = 210 + 648/504 = 858/504 - 858/504 simplified gives 143/84
- So, 30/72 + 72/56 = 143/84
In mixed form: 159/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/72+72/56 90/72+72/56