Add 18/4 and 56/72
1st number: 4 2/4, 2nd number: 56/72
18/4 + 56/72 is 95/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
18/4 = 18 × 18/4 × 18 = 324/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
56/72 = 56 × 1/72 × 1 = 56/72 - Add the two like fractions:
324/72 + 56/72 = 324 + 56/72 = 380/72 - 380/72 simplified gives 95/18
- So, 18/4 + 56/72 = 95/18
In mixed form: 55/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/4+56/72 18/8+56/72 54/4+56/72 18/12+56/72 90/4+56/72 18/20+56/72 18/28+56/72