Add 27/7 and 42/8
1st number: 3 6/7, 2nd number: 5 2/8
27/7 + 42/8 is 255/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
27/7 = 27 × 8/7 × 8 = 216/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
42/8 = 42 × 7/8 × 7 = 294/56 - Add the two like fractions:
216/56 + 294/56 = 216 + 294/56 = 510/56 - 510/56 simplified gives 255/28
- So, 27/7 + 42/8 = 255/28
In mixed form: 93/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/7+42/8 27/7+84/8 27/14+42/8 27/7+42/16 81/7+42/8 27/21+42/8 27/7+42/24 27/35+42/8 27/7+42/40 27/49+42/8 27/7+42/56