Add 5/42 and 40/10
1st number: 5/42, 2nd number: 4 0/10
5/42 + 40/10 is 173/42.
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,
5/42 = 5 × 5/42 × 5 = 25/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
40/10 = 40 × 21/10 × 21 = 840/210 - Add the two like fractions:
25/210 + 840/210 = 25 + 840/210 = 865/210 - 865/210 simplified gives 173/42
- So, 5/42 + 40/10 = 173/42
In mixed form: 45/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/42+40/10 5/42+80/10 5/84+40/10 5/42+40/20 15/42+40/10 5/42+40/30 25/42+40/10 5/42+40/50 35/42+40/10 5/42+40/70