Add 24/12 and 40/42
1st number: 2 0/12, 2nd number: 40/42
24/12 + 40/42 is 62/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
24/12 = 24 × 7/12 × 7 = 168/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
40/42 = 40 × 2/42 × 2 = 80/84 - Add the two like fractions:
168/84 + 80/84 = 168 + 80/84 = 248/84 - 248/84 simplified gives 62/21
- So, 24/12 + 40/42 = 62/21
In mixed form: 220/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/12+40/42 24/12+80/42 24/12+40/84 72/12+40/42 24/36+40/42 24/60+40/42 24/84+40/42