Add 24/42 and 12/8
1st number: 24/42, 2nd number: 1 4/8
24/42 + 12/8 is 29/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
24/42 = 24 × 4/42 × 4 = 96/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
12/8 = 12 × 21/8 × 21 = 252/168 - Add the two like fractions:
96/168 + 252/168 = 96 + 252/168 = 348/168 - 348/168 simplified gives 29/14
- So, 24/42 + 12/8 = 29/14
In mixed form: 21/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/42+12/8 24/42+24/8 24/84+12/8 24/42+12/16 72/42+12/8 24/42+36/8 24/42+12/24 24/42+60/8 24/42+12/40 24/42+84/8 24/42+12/56