Add 30/75 and 9/8
1st number: 30/75, 2nd number: 1 1/8
30/75 + 9/8 is 61/40.
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,
9/8 = 9 × 75/8 × 75 = 675/600 - Add the two like fractions:
240/600 + 675/600 = 240 + 675/600 = 915/600 - 915/600 simplified gives 61/40
- So, 30/75 + 9/8 = 61/40
In mixed form: 121/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/75+9/8 30/75+18/8 30/75+9/16 90/75+9/8 30/75+27/8 30/75+9/24 30/75+45/8 30/75+9/40 30/75+63/8 30/75+9/56