Add 18/24 and 63/15
1st number: 18/24, 2nd number: 4 3/15
18/24 + 63/15 is 99/20.
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,
18/24 = 18 × 5/24 × 5 = 90/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
63/15 = 63 × 8/15 × 8 = 504/120 - Add the two like fractions:
90/120 + 504/120 = 90 + 504/120 = 594/120 - 594/120 simplified gives 99/20
- So, 18/24 + 63/15 = 99/20
In mixed form: 419/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/24+63/15 18/48+63/15 18/24+63/30 54/24+63/15 18/72+63/15 18/24+63/45 90/24+63/15 18/24+63/75