Add 40/24 and 42/84
1st number: 1 16/24, 2nd number: 42/84
40/24 + 42/84 is 13/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
40/24 = 40 × 7/24 × 7 = 280/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
42/84 = 42 × 2/84 × 2 = 84/168 - Add the two like fractions:
280/168 + 84/168 = 280 + 84/168 = 364/168 - 364/168 simplified gives 13/6
- So, 40/24 + 42/84 = 13/6
In mixed form: 21/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/24+42/84 40/48+42/84 40/72+42/84