Add 45/24 and 4/15
1st number: 1 21/24, 2nd number: 4/15
45/24 + 4/15 is 257/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
45/24 = 45 × 5/24 × 5 = 225/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
4/15 = 4 × 8/15 × 8 = 32/120 - Add the two like fractions:
225/120 + 32/120 = 225 + 32/120 = 257/120 - So, 45/24 + 4/15 = 257/120
In mixed form: 217/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/24+4/15 45/24+8/15 45/48+4/15 45/24+4/30 45/24+12/15 45/72+4/15 45/24+4/45 45/24+20/15 45/24+4/75 45/24+28/15