Add 15/35 and 84/56
1st number: 15/35, 2nd number: 1 28/56
15/35 + 84/56 is 27/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
15/35 = 15 × 8/35 × 8 = 120/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
84/56 = 84 × 5/56 × 5 = 420/280 - Add the two like fractions:
120/280 + 420/280 = 120 + 420/280 = 540/280 - 540/280 simplified gives 27/14
- So, 15/35 + 84/56 = 27/14
In mixed form: 113/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/35+84/56 15/70+84/56 45/35+84/56 75/35+84/56