Add 9/42 and 40/10
1st number: 9/42, 2nd number: 4 0/10
9/42 + 40/10 is 59/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
9/42 = 9 × 5/42 × 5 = 45/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
40/10 = 40 × 21/10 × 21 = 840/210 - Add the two like fractions:
45/210 + 840/210 = 45 + 840/210 = 885/210 - 885/210 simplified gives 59/14
- So, 9/42 + 40/10 = 59/14
In mixed form: 43/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/42+40/10 9/42+80/10 9/84+40/10 9/42+40/20 27/42+40/10 9/42+40/30 45/42+40/10 9/42+40/50 63/42+40/10 9/42+40/70