Add 90/24 and 1/20
1st number: 3 18/24, 2nd number: 1/20
90/24 + 1/20 is 19/5.
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,
90/24 = 90 × 5/24 × 5 = 450/120 - Likewise, for the 2nd fraction, since 20 × 6 = 120,
1/20 = 1 × 6/20 × 6 = 6/120 - Add the two like fractions:
450/120 + 6/120 = 450 + 6/120 = 456/120 - 456/120 simplified gives 19/5
- So, 90/24 + 1/20 = 19/5
In mixed form: 34/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/24+2/20 90/48+1/20 90/24+1/40 90/24+3/20 90/72+1/20 90/24+1/60 90/24+5/20 90/24+7/20