Add 84/20 and 90/24
1st number: 4 4/20, 2nd number: 3 18/24
84/20 + 90/24 is 159/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 20 × 6 = 120,
84/20 = 84 × 6/20 × 6 = 504/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
90/24 = 90 × 5/24 × 5 = 450/120 - Add the two like fractions:
504/120 + 450/120 = 504 + 450/120 = 954/120 - 954/120 simplified gives 159/20
- So, 84/20 + 90/24 = 159/20
In mixed form: 719/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/40+90/24 84/20+90/48 84/60+90/24 84/20+90/72