Add 42/24 and 5/72
1st number: 1 18/24, 2nd number: 5/72
42/24 + 5/72 is 131/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
42/24 = 42 × 3/24 × 3 = 126/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
5/72 = 5 × 1/72 × 1 = 5/72 - Add the two like fractions:
126/72 + 5/72 = 126 + 5/72 = 131/72 - So, 42/24 + 5/72 = 131/72
In mixed form: 159/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24+5/72 42/24+10/72 42/48+5/72 42/24+15/72 42/72+5/72 42/24+25/72 42/24+35/72