Add 42/14 and 45/24
1st number: 3 0/14, 2nd number: 1 21/24
42/14 + 45/24 is 39/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 14 × 12 = 168,
42/14 = 42 × 12/14 × 12 = 504/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
45/24 = 45 × 7/24 × 7 = 315/168 - Add the two like fractions:
504/168 + 315/168 = 504 + 315/168 = 819/168 - 819/168 simplified gives 39/8
- So, 42/14 + 45/24 = 39/8
In mixed form: 47/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/14+45/24 42/14+90/24 42/28+45/24 42/14+45/48 42/14+45/72 42/70+45/24 42/98+45/24