Add 5/4 and 42/8
1st number: 1 1/4, 2nd number: 5 2/8
5/4 + 42/8 is 13/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 4 × 2 = 8,
5/4 = 5 × 2/4 × 2 = 10/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
42/8 = 42 × 1/8 × 1 = 42/8 - Add the two like fractions:
10/8 + 42/8 = 10 + 42/8 = 52/8 - 52/8 simplified gives 13/2
- So, 5/4 + 42/8 = 13/2
In mixed form: 61/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/4+42/8 5/4+84/8 5/8+42/8 5/4+42/16 15/4+42/8 5/12+42/8 5/4+42/24 25/4+42/8 5/20+42/8 5/4+42/40 35/4+42/8 5/28+42/8 5/4+42/56