Add 42/27 and 56/8
1st number: 1 15/27, 2nd number: 7 0/8
42/27 + 56/8 is 77/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 27 × 8 = 216,
42/27 = 42 × 8/27 × 8 = 336/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
56/8 = 56 × 27/8 × 27 = 1512/216 - Add the two like fractions:
336/216 + 1512/216 = 336 + 1512/216 = 1848/216 - 1848/216 simplified gives 77/9
- So, 42/27 + 56/8 = 77/9
In mixed form: 85/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/27+56/8 42/54+56/8 42/27+56/16 42/81+56/8 42/27+56/24 42/27+56/40