Add 42/72 and 45/24
1st number: 42/72, 2nd number: 1 21/24
42/72 + 45/24 is 59/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 24 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
42/72 = 42 × 1/72 × 1 = 42/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
45/24 = 45 × 3/24 × 3 = 135/72 - Add the two like fractions:
42/72 + 135/72 = 42 + 135/72 = 177/72 - 177/72 simplified gives 59/24
- So, 42/72 + 45/24 = 59/24
In mixed form: 211/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/72+45/24 42/72+90/24 42/72+45/48 42/72+45/72