Add 42/3 and 90/4
1st number: 14 0/3, 2nd number: 22 2/4
42/3 + 90/4 is 73/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
42/3 = 42 × 4/3 × 4 = 168/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
90/4 = 90 × 3/4 × 3 = 270/12 - Add the two like fractions:
168/12 + 270/12 = 168 + 270/12 = 438/12 - 438/12 simplified gives 73/2
- So, 42/3 + 90/4 = 73/2
In mixed form: 361/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/3+90/4 42/6+90/4 42/3+90/8 42/9+90/4 42/3+90/12 42/15+90/4 42/3+90/20 42/21+90/4 42/3+90/28