Add 2/4 and 40/42
2/4 + 40/42 is 61/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
2/4 = 2 × 21/4 × 21 = 42/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
40/42 = 40 × 2/42 × 2 = 80/84 - Add the two like fractions:
42/84 + 80/84 = 42 + 80/84 = 122/84 - 122/84 simplified gives 61/42
- So, 2/4 + 40/42 = 61/42
In mixed form: 119/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/4+80/42 2/8+40/42 2/4+40/84 6/4+40/42 2/12+40/42 10/4+40/42 2/20+40/42 14/4+40/42 2/28+40/42