Add 18/7 and 18/56
1st number: 2 4/7, 2nd number: 18/56
18/7 + 18/56 is 81/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
18/7 = 18 × 8/7 × 8 = 144/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
18/56 = 18 × 1/56 × 1 = 18/56 - Add the two like fractions:
144/56 + 18/56 = 144 + 18/56 = 162/56 - 162/56 simplified gives 81/28
- So, 18/7 + 18/56 = 81/28
In mixed form: 225/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/7+18/56 18/7+36/56 18/14+18/56 54/7+18/56 18/7+54/56 18/21+18/56 90/7+18/56 18/7+90/56 18/35+18/56 18/49+18/56