Add 42/4 and 2/7
1st number: 10 2/4, 2nd number: 2/7
42/4 + 2/7 is 151/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
42/4 = 42 × 7/4 × 7 = 294/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
2/7 = 2 × 4/7 × 4 = 8/28 - Add the two like fractions:
294/28 + 8/28 = 294 + 8/28 = 302/28 - 302/28 simplified gives 151/14
- So, 42/4 + 2/7 = 151/14
In mixed form: 1011/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4+2/7 42/4+4/7 42/8+2/7 42/4+2/14 42/4+6/7 42/12+2/7 42/4+2/21 42/4+10/7 42/20+2/7 42/4+2/35 42/4+14/7 42/28+2/7 42/4+2/49