Add 21/24 and 60/20
1st number: 21/24, 2nd number: 3 0/20
21/24 + 60/20 is 31/8.
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,
21/24 = 21 × 5/24 × 5 = 105/120 - Likewise, for the 2nd fraction, since 20 × 6 = 120,
60/20 = 60 × 6/20 × 6 = 360/120 - Add the two like fractions:
105/120 + 360/120 = 105 + 360/120 = 465/120 - 465/120 simplified gives 31/8
- So, 21/24 + 60/20 = 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: 42/24+60/20 21/48+60/20 21/24+60/40 63/24+60/20 21/72+60/20