Add 2/42 and 90/10
1st number: 2/42, 2nd number: 9 0/10
2/42 + 90/10 is 190/21.
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,
2/42 = 2 × 5/42 × 5 = 10/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
90/10 = 90 × 21/10 × 21 = 1890/210 - Add the two like fractions:
10/210 + 1890/210 = 10 + 1890/210 = 1900/210 - 1900/210 simplified gives 190/21
- So, 2/42 + 90/10 = 190/21
In mixed form: 91/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/42+90/10 2/84+90/10 2/42+90/20 6/42+90/10 2/42+90/30 10/42+90/10 2/42+90/50 14/42+90/10 2/42+90/70