Add 5/56 and 90/72
1st number: 5/56, 2nd number: 1 18/72
5/56 + 90/72 is 75/56.
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,
5/56 = 5 × 9/56 × 9 = 45/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
90/72 = 90 × 7/72 × 7 = 630/504 - Add the two like fractions:
45/504 + 630/504 = 45 + 630/504 = 675/504 - 675/504 simplified gives 75/56
- So, 5/56 + 90/72 = 75/56
In mixed form: 119/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/56+90/72 15/56+90/72 25/56+90/72 35/56+90/72