Add 25/12 and 81/56, Solve 2 1/12 + 1 25/56 as a fraction

Add 25/12 and 81/56

1^st number: 2 1/12, 2^nd number: 1 25/56

25/12 + 81/56 is 593/168.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 56 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 12 × 14 = 168,
25/12 = 25 × 14/12 × 14 = 350/168
Likewise, for the 2nd fraction, since 56 × 3 = 168,
81/56 = 81 × 3/56 × 3 = 243/168
Add the two like fractions:
350/168 + 243/168 = 350 + 243/168 = 593/168
So, 25/12 + 81/56 = 593/168
In mixed form: 389/168

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad