Add 90/15 and 56/7
1st number: 6 0/15, 2nd number: 8 0/7
90/15 + 56/7 is 14/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
90/15 = 90 × 7/15 × 7 = 630/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
56/7 = 56 × 15/7 × 15 = 840/105 - Add the two like fractions:
630/105 + 840/105 = 630 + 840/105 = 1470/105 - 1470/105 simplified gives 14/1
- So, 90/15 + 56/7 = 14/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+56/7 90/15+56/14 90/45+56/7 90/15+56/21 90/75+56/7 90/15+56/35 90/15+56/49