Add 42/7 and 3/8
1st number: 6 0/7, 2nd number: 3/8
42/7 + 3/8 is 51/8.
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,
42/7 = 42 × 8/7 × 8 = 336/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
3/8 = 3 × 7/8 × 7 = 21/56 - Add the two like fractions:
336/56 + 21/56 = 336 + 21/56 = 357/56 - 357/56 simplified gives 51/8
- So, 42/7 + 3/8 = 51/8
In mixed form: 63/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/7+3/8 42/7+6/8 42/14+3/8 42/7+3/16 42/7+9/8 42/21+3/8 42/7+3/24 42/7+15/8 42/35+3/8 42/7+3/40 42/7+21/8 42/49+3/8 42/7+3/56