Add 42/6 and 15/8
1st number: 7 0/6, 2nd number: 1 7/8
42/6 + 15/8 is 71/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 6 × 4 = 24,
42/6 = 42 × 4/6 × 4 = 168/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
15/8 = 15 × 3/8 × 3 = 45/24 - Add the two like fractions:
168/24 + 45/24 = 168 + 45/24 = 213/24 - 213/24 simplified gives 71/8
- So, 42/6 + 15/8 = 71/8
In mixed form: 87/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/6+15/8 42/6+30/8 42/12+15/8 42/6+15/16 42/6+45/8 42/18+15/8 42/6+15/24 42/6+75/8 42/30+15/8 42/6+15/40 42/6+15/56