Add 90/40 and 45/24
1st number: 2 10/40, 2nd number: 1 21/24
90/40 + 45/24 is 33/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
90/40 = 90 × 3/40 × 3 = 270/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
45/24 = 45 × 5/24 × 5 = 225/120 - Add the two like fractions:
270/120 + 225/120 = 270 + 225/120 = 495/120 - 495/120 simplified gives 33/8
- So, 90/40 + 45/24 = 33/8
In mixed form: 41/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/40+90/24 90/80+45/24 90/40+45/48 90/40+45/72