Add 75/5 and 42/8
1st number: 15 0/5, 2nd number: 5 2/8
75/5 + 42/8 is 81/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
75/5 = 75 × 8/5 × 8 = 600/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
42/8 = 42 × 5/8 × 5 = 210/40 - Add the two like fractions:
600/40 + 210/40 = 600 + 210/40 = 810/40 - 810/40 simplified gives 81/4
- So, 75/5 + 42/8 = 81/4
In mixed form: 201/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/5+84/8 75/10+42/8 75/5+42/16 75/15+42/8 75/5+42/24 75/25+42/8 75/5+42/40 75/35+42/8 75/5+42/56