Add 42/24 and 21/48
1st number: 1 18/24, 2nd number: 21/48
42/24 + 21/48 is 35/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 48 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 24 × 2 = 48,
42/24 = 42 × 2/24 × 2 = 84/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
21/48 = 21 × 1/48 × 1 = 21/48 - Add the two like fractions:
84/48 + 21/48 = 84 + 21/48 = 105/48 - 105/48 simplified gives 35/16
- So, 42/24 + 21/48 = 35/16
In mixed form: 23/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24+21/48 42/24+42/48 42/48+21/48 42/24+21/96 42/24+63/48 42/72+21/48