Add 90/24 and 15/8
1st number: 3 18/24, 2nd number: 1 7/8
90/24 + 15/8 is 45/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 24 × 1 = 24,
90/24 = 90 × 1/24 × 1 = 90/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
15/8 = 15 × 3/8 × 3 = 45/24 - Add the two like fractions:
90/24 + 45/24 = 90 + 45/24 = 135/24 - 135/24 simplified gives 45/8
- So, 90/24 + 15/8 = 45/8
In mixed form: 55/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/24+30/8 90/48+15/8 90/24+15/16 90/24+45/8 90/72+15/8 90/24+15/24 90/24+75/8 90/24+15/40 90/24+15/56