Add 30/72 and 48/56
30/72 + 48/56 is 107/84.
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,
48/56 = 48 × 9/56 × 9 = 432/504 - Add the two like fractions:
210/504 + 432/504 = 210 + 432/504 = 642/504 - 642/504 simplified gives 107/84
- So, 30/72 + 48/56 = 107/84
In mixed form: 123/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/72+48/56 30/72+96/56 90/72+48/56