Add 15/75 and 42/5
1st number: 15/75, 2nd number: 8 2/5
15/75 + 42/5 is 43/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 5 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 75 × 1 = 75,
15/75 = 15 × 1/75 × 1 = 15/75 - Likewise, for the 2nd fraction, since 5 × 15 = 75,
42/5 = 42 × 15/5 × 15 = 630/75 - Add the two like fractions:
15/75 + 630/75 = 15 + 630/75 = 645/75 - 645/75 simplified gives 43/5
- So, 15/75 + 42/5 = 43/5
In mixed form: 83/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/75+42/5 15/75+84/5 15/75+42/10 45/75+42/5 15/75+42/15 15/75+42/25 15/75+42/35