Add 21/24 and 48/30
1st number: 21/24, 2nd number: 1 18/30
21/24 + 48/30 is 99/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 30 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 30 × 4 = 120,
48/30 = 48 × 4/30 × 4 = 192/120 - Add the two like fractions:
105/120 + 192/120 = 105 + 192/120 = 297/120 - 297/120 simplified gives 99/40
- So, 21/24 + 48/30 = 99/40
In mixed form: 219/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/24+48/30 21/24+96/30 21/48+48/30 21/24+48/60 63/24+48/30 21/72+48/30 21/24+48/90