Add 42/3 and 56/45
1st number: 14 0/3, 2nd number: 1 11/45
42/3 + 56/45 is 686/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 3 × 15 = 45,
42/3 = 42 × 15/3 × 15 = 630/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
56/45 = 56 × 1/45 × 1 = 56/45 - Add the two like fractions:
630/45 + 56/45 = 630 + 56/45 = 686/45 - So, 42/3 + 56/45 = 686/45
In mixed form: 1511/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/3+56/45 42/6+56/45 42/3+56/90 42/9+56/45 42/15+56/45 42/21+56/45