Add 75/56 and 12/72
1st number: 1 19/56, 2nd number: 12/72
75/56 + 12/72 is 253/168.
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,
75/56 = 75 × 9/56 × 9 = 675/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
12/72 = 12 × 7/72 × 7 = 84/504 - Add the two like fractions:
675/504 + 84/504 = 675 + 84/504 = 759/504 - 759/504 simplified gives 253/168
- So, 75/56 + 12/72 = 253/168
In mixed form: 185/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/56+24/72 75/56+36/72 75/56+60/72 75/56+84/72