Add 42/15 and 9/24
1st number: 2 12/15, 2nd number: 9/24
42/15 + 9/24 is 127/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
42/15 = 42 × 8/15 × 8 = 336/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
9/24 = 9 × 5/24 × 5 = 45/120 - Add the two like fractions:
336/120 + 45/120 = 336 + 45/120 = 381/120 - 381/120 simplified gives 127/40
- So, 42/15 + 9/24 = 127/40
In mixed form: 37/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15+9/24 42/15+18/24 42/30+9/24 42/15+9/48 42/15+27/24 42/45+9/24 42/15+9/72 42/15+45/24 42/75+9/24 42/15+63/24