Add 14/42 and 90/10
1st number: 14/42, 2nd number: 9 0/10
14/42 + 90/10 is 28/3.
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,
14/42 = 14 × 5/42 × 5 = 70/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
90/10 = 90 × 21/10 × 21 = 1890/210 - Add the two like fractions:
70/210 + 1890/210 = 70 + 1890/210 = 1960/210 - 1960/210 simplified gives 28/3
- So, 14/42 + 90/10 = 28/3
In mixed form: 91/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/42+90/10 14/84+90/10 14/42+90/20 14/42+90/30 70/42+90/10 14/42+90/50 98/42+90/10 14/42+90/70