Add 7/24 and 90/20
1st number: 7/24, 2nd number: 4 10/20
7/24 + 90/20 is 115/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 20 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
7/24 = 7 × 5/24 × 5 = 35/120 - Likewise, for the 2nd fraction, since 20 × 6 = 120,
90/20 = 90 × 6/20 × 6 = 540/120 - Add the two like fractions:
35/120 + 540/120 = 35 + 540/120 = 575/120 - 575/120 simplified gives 115/24
- So, 7/24 + 90/20 = 115/24
In mixed form: 419/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/24+90/20 7/48+90/20 7/24+90/40 21/24+90/20 7/72+90/20 7/24+90/60 35/24+90/20 49/24+90/20