Add 81/7 and 3/56
1st number: 11 4/7, 2nd number: 3/56
81/7 + 3/56 is 93/8.
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,
81/7 = 81 × 8/7 × 8 = 648/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
3/56 = 3 × 1/56 × 1 = 3/56 - Add the two like fractions:
648/56 + 3/56 = 648 + 3/56 = 651/56 - 651/56 simplified gives 93/8
- So, 81/7 + 3/56 = 93/8
In mixed form: 115/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/7+6/56 81/14+3/56 81/7+9/56 81/21+3/56 81/7+15/56 81/35+3/56 81/7+21/56 81/49+3/56