Add 40/6 and 63/42
1st number: 6 4/6, 2nd number: 1 21/42
40/6 + 63/42 is 49/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
40/6 = 40 × 7/6 × 7 = 280/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
63/42 = 63 × 1/42 × 1 = 63/42 - Add the two like fractions:
280/42 + 63/42 = 280 + 63/42 = 343/42 - 343/42 simplified gives 49/6
- So, 40/6 + 63/42 = 49/6
In mixed form: 81/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/6+63/42 40/12+63/42 40/6+63/84 40/18+63/42 40/30+63/42 40/42+63/42