Add 21/24 and 48/60
21/24 + 48/60 is 67/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 60 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 60 × 2 = 120,
48/60 = 48 × 2/60 × 2 = 96/120 - Add the two like fractions:
105/120 + 96/120 = 105 + 96/120 = 201/120 - 201/120 simplified gives 67/40
- So, 21/24 + 48/60 = 67/40
In mixed form: 127/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/24+48/60 21/24+96/60 21/48+48/60 63/24+48/60 21/72+48/60