Add 42/7 and 84/24
1st number: 6 0/7, 2nd number: 3 12/24
42/7 + 84/24 is 19/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 7 × 24 = 168,
42/7 = 42 × 24/7 × 24 = 1008/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
84/24 = 84 × 7/24 × 7 = 588/168 - Add the two like fractions:
1008/168 + 588/168 = 1008 + 588/168 = 1596/168 - 1596/168 simplified gives 19/2
- So, 42/7 + 84/24 = 19/2
In mixed form: 91/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/7+84/24 42/14+84/24 42/7+84/48 42/21+84/24 42/7+84/72 42/35+84/24 42/49+84/24