Add 4/15 and 42/7
1st number: 4/15, 2nd number: 6 0/7
4/15 + 42/7 is 94/15.
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,
4/15 = 4 × 7/15 × 7 = 28/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
42/7 = 42 × 15/7 × 15 = 630/105 - Add the two like fractions:
28/105 + 630/105 = 28 + 630/105 = 658/105 - 658/105 simplified gives 94/15
- So, 4/15 + 42/7 = 94/15
In mixed form: 64/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15+42/7 4/15+84/7 4/30+42/7 4/15+42/14 12/15+42/7 4/45+42/7 4/15+42/21 20/15+42/7 4/75+42/7 4/15+42/35 28/15+42/7 4/15+42/49