Add 40/12 and 4/42
1st number: 3 4/12, 2nd number: 4/42
40/12 + 4/42 is 24/7.
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,
40/12 = 40 × 7/12 × 7 = 280/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
4/42 = 4 × 2/42 × 2 = 8/84 - Add the two like fractions:
280/84 + 8/84 = 280 + 8/84 = 288/84 - 288/84 simplified gives 24/7
- So, 40/12 + 4/42 = 24/7
In mixed form: 33/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/12+4/42 40/12+8/42 40/24+4/42 40/12+4/84 40/12+12/42 40/36+4/42 40/12+20/42 40/60+4/42 40/12+28/42 40/84+4/42