Add 56/15 and 12/30
1st number: 3 11/15, 2nd number: 12/30
56/15 + 12/30 is 62/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
56/15 = 56 × 2/15 × 2 = 112/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
12/30 = 12 × 1/30 × 1 = 12/30 - Add the two like fractions:
112/30 + 12/30 = 112 + 12/30 = 124/30 - 124/30 simplified gives 62/15
- So, 56/15 + 12/30 = 62/15
In mixed form: 42/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15+24/30 56/30+12/30 56/15+12/60 56/15+36/30 56/45+12/30 56/15+12/90 56/15+60/30 56/75+12/30 56/15+84/30