Add 42/28 and 7/4
1st number: 1 14/28, 2nd number: 1 3/4
42/28 + 7/4 is 13/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 4 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
42/28 = 42 × 1/28 × 1 = 42/28 - Likewise, for the 2nd fraction, since 4 × 7 = 28,
7/4 = 7 × 7/4 × 7 = 49/28 - Add the two like fractions:
42/28 + 49/28 = 42 + 49/28 = 91/28 - 91/28 simplified gives 13/4
- So, 42/28 + 7/4 = 13/4
In mixed form: 31/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28+7/4 42/28+14/4 42/56+7/4 42/28+7/8 42/28+21/4 42/84+7/4 42/28+7/12 42/28+35/4 42/28+7/20 42/28+49/4 42/28+7/28