Add 6/15 and 90/7
1st number: 6/15, 2nd number: 12 6/7
6/15 + 90/7 is 464/35.
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,
6/15 = 6 × 7/15 × 7 = 42/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
90/7 = 90 × 15/7 × 15 = 1350/105 - Add the two like fractions:
42/105 + 1350/105 = 42 + 1350/105 = 1392/105 - 1392/105 simplified gives 464/35
- So, 6/15 + 90/7 = 464/35
In mixed form: 139/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/15+90/7 6/30+90/7 6/15+90/14 18/15+90/7 6/45+90/7 6/15+90/21 30/15+90/7 6/75+90/7 6/15+90/35 42/15+90/7 6/15+90/49