Add 5/4 and 42/28
1st number: 1 1/4, 2nd number: 1 14/28
5/4 + 42/28 is 11/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
5/4 = 5 × 7/4 × 7 = 35/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
42/28 = 42 × 1/28 × 1 = 42/28 - Add the two like fractions:
35/28 + 42/28 = 35 + 42/28 = 77/28 - 77/28 simplified gives 11/4
- So, 5/4 + 42/28 = 11/4
In mixed form: 23/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/4+42/28 5/4+84/28 5/8+42/28 5/4+42/56 15/4+42/28 5/12+42/28 5/4+42/84 25/4+42/28 5/20+42/28 35/4+42/28 5/28+42/28