Add 21/24 and 45/3
1st number: 21/24, 2nd number: 15 0/3
21/24 + 45/3 is 127/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 3 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 24 × 1 = 24,
21/24 = 21 × 1/24 × 1 = 21/24 - Likewise, for the 2nd fraction, since 3 × 8 = 24,
45/3 = 45 × 8/3 × 8 = 360/24 - Add the two like fractions:
21/24 + 360/24 = 21 + 360/24 = 381/24 - 381/24 simplified gives 127/8
- So, 21/24 + 45/3 = 127/8
In mixed form: 157/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/24+45/3 21/24+90/3 21/48+45/3 21/24+45/6 63/24+45/3 21/72+45/3 21/24+45/9 21/24+45/15 21/24+45/21