Add 90/24 and 7/15
1st number: 3 18/24, 2nd number: 7/15
90/24 + 7/15 is 253/60.
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,
90/24 = 90 × 5/24 × 5 = 450/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
7/15 = 7 × 8/15 × 8 = 56/120 - Add the two like fractions:
450/120 + 56/120 = 450 + 56/120 = 506/120 - 506/120 simplified gives 253/60
- So, 90/24 + 7/15 = 253/60
In mixed form: 413/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/24+14/15 90/48+7/15 90/24+7/30 90/24+21/15 90/72+7/15 90/24+7/45 90/24+35/15 90/24+7/75 90/24+49/15