Add 90/24 and 5/40
1st number: 3 18/24, 2nd number: 5/40
90/24 + 5/40 is 31/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 40 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 40 × 3 = 120,
5/40 = 5 × 3/40 × 3 = 15/120 - Add the two like fractions:
450/120 + 15/120 = 450 + 15/120 = 465/120 - 465/120 simplified gives 31/8
- So, 90/24 + 5/40 = 31/8
In mixed form: 37/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/24+10/40 90/48+5/40 90/24+5/80 90/24+15/40 90/72+5/40 90/24+25/40 90/24+35/40