Add 90/15 and 27/7
1st number: 6 0/15, 2nd number: 3 6/7
90/15 + 27/7 is 69/7.
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,
27/7 = 27 × 15/7 × 15 = 405/105 - Add the two like fractions:
630/105 + 405/105 = 630 + 405/105 = 1035/105 - 1035/105 simplified gives 69/7
- So, 90/15 + 27/7 = 69/7
In mixed form: 96/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/15+54/7 90/30+27/7 90/15+27/14 90/15+81/7 90/45+27/7 90/15+27/21 90/75+27/7 90/15+27/35 90/15+27/49