Add 3/56 and 30/72
3/56 + 30/72 is 79/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
3/56 = 3 × 9/56 × 9 = 27/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
30/72 = 30 × 7/72 × 7 = 210/504 - Add the two like fractions:
27/504 + 210/504 = 27 + 210/504 = 237/504 - 237/504 simplified gives 79/168
- So, 3/56 + 30/72 = 79/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/56+30/72 3/56+60/72 9/56+30/72 3/56+90/72 15/56+30/72 21/56+30/72