Add 75/8 and 9/15
1st number: 9 3/8, 2nd number: 9/15
75/8 + 9/15 is 399/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
75/8 = 75 × 15/8 × 15 = 1125/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
9/15 = 9 × 8/15 × 8 = 72/120 - Add the two like fractions:
1125/120 + 72/120 = 1125 + 72/120 = 1197/120 - 1197/120 simplified gives 399/40
- So, 75/8 + 9/15 = 399/40
In mixed form: 939/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/8+18/15 75/16+9/15 75/8+9/30 75/8+27/15 75/24+9/15 75/8+9/45 75/8+45/15 75/40+9/15 75/8+9/75 75/8+63/15 75/56+9/15