Add 75/2 and 90/42
1st number: 37 1/2, 2nd number: 2 6/42
75/2 + 90/42 is 555/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
75/2 = 75 × 21/2 × 21 = 1575/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
90/42 = 90 × 1/42 × 1 = 90/42 - Add the two like fractions:
1575/42 + 90/42 = 1575 + 90/42 = 1665/42 - 1665/42 simplified gives 555/14
- So, 75/2 + 90/42 = 555/14
In mixed form: 399/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/4+90/42 75/2+90/84 75/6+90/42 75/10+90/42 75/14+90/42