Add 42/14 and 90/75
1st number: 3 0/14, 2nd number: 1 15/75
42/14 + 90/75 is 21/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 75 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 14 × 75 = 1050,
42/14 = 42 × 75/14 × 75 = 3150/1050 - Likewise, for the 2nd fraction, since 75 × 14 = 1050,
90/75 = 90 × 14/75 × 14 = 1260/1050 - Add the two like fractions:
3150/1050 + 1260/1050 = 3150 + 1260/1050 = 4410/1050 - 4410/1050 simplified gives 21/5
- So, 42/14 + 90/75 = 21/5
In mixed form: 41/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/14+90/75 42/28+90/75 42/70+90/75 42/98+90/75