Add 42/56 and 12/54
42/56 + 12/54 is 35/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 54 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 56 × 27 = 1512,
42/56 = 42 × 27/56 × 27 = 1134/1512 - Likewise, for the 2nd fraction, since 54 × 28 = 1512,
12/54 = 12 × 28/54 × 28 = 336/1512 - Add the two like fractions:
1134/1512 + 336/1512 = 1134 + 336/1512 = 1470/1512 - 1470/1512 simplified gives 35/36
- So, 42/56 + 12/54 = 35/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/56+12/54 42/56+24/54 42/56+36/54 42/56+60/54 42/56+84/54