Add 9/42 and 90/5
1st number: 9/42, 2nd number: 18 0/5
9/42 + 90/5 is 255/14.
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,
90/5 = 90 × 42/5 × 42 = 3780/210 - Add the two like fractions:
45/210 + 3780/210 = 45 + 3780/210 = 3825/210 - 3825/210 simplified gives 255/14
- So, 9/42 + 90/5 = 255/14
In mixed form: 183/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/42+90/5 9/84+90/5 9/42+90/10 27/42+90/5 9/42+90/15 45/42+90/5 9/42+90/25 63/42+90/5 9/42+90/35