Add 9/42 and 20/5
1st number: 9/42, 2nd number: 4 0/5
9/42 + 20/5 is 59/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 5 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 5 × 42 = 210,
20/5 = 20 × 42/5 × 42 = 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 + 20/5 = 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+20/5 9/42+40/5 9/84+20/5 9/42+20/10 27/42+20/5 9/42+60/5 9/42+20/15 45/42+20/5 9/42+20/25 63/42+20/5 9/42+20/35