Add 8/15 and 42/7
1st number: 8/15, 2nd number: 6 0/7
8/15 + 42/7 is 98/15.
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,
8/15 = 8 × 7/15 × 7 = 56/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
42/7 = 42 × 15/7 × 15 = 630/105 - Add the two like fractions:
56/105 + 630/105 = 56 + 630/105 = 686/105 - 686/105 simplified gives 98/15
- So, 8/15 + 42/7 = 98/15
In mixed form: 68/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/15+42/7 8/15+84/7 8/30+42/7 8/15+42/14 24/15+42/7 8/45+42/7 8/15+42/21 40/15+42/7 8/75+42/7 8/15+42/35 56/15+42/7 8/15+42/49