Add 56/15 and 8/90
1st number: 3 11/15, 2nd number: 8/90
56/15 + 8/90 is 172/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
56/15 = 56 × 6/15 × 6 = 336/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
8/90 = 8 × 1/90 × 1 = 8/90 - Add the two like fractions:
336/90 + 8/90 = 336 + 8/90 = 344/90 - 344/90 simplified gives 172/45
- So, 56/15 + 8/90 = 172/45
In mixed form: 337/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15+16/90 56/30+8/90 56/15+24/90 56/45+8/90 56/15+40/90 56/75+8/90 56/15+56/90