Add 42/4 and 45/7
1st number: 10 2/4, 2nd number: 6 3/7
42/4 + 45/7 is 237/14.
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,
45/7 = 45 × 4/7 × 4 = 180/28 - Add the two like fractions:
294/28 + 180/28 = 294 + 180/28 = 474/28 - 474/28 simplified gives 237/14
- So, 42/4 + 45/7 = 237/14
In mixed form: 1613/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4+45/7 42/4+90/7 42/8+45/7 42/4+45/14 42/12+45/7 42/4+45/21 42/20+45/7 42/4+45/35 42/28+45/7 42/4+45/49