Add 30/75 and 42/8
1st number: 30/75, 2nd number: 5 2/8
30/75 + 42/8 is 113/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 8 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
30/75 = 30 × 8/75 × 8 = 240/600 - Likewise, for the 2nd fraction, since 8 × 75 = 600,
42/8 = 42 × 75/8 × 75 = 3150/600 - Add the two like fractions:
240/600 + 3150/600 = 240 + 3150/600 = 3390/600 - 3390/600 simplified gives 113/20
- So, 30/75 + 42/8 = 113/20
In mixed form: 513/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/75+42/8 30/75+84/8 30/75+42/16 90/75+42/8 30/75+42/24 30/75+42/40 30/75+42/56