Add 75/4 and 90/20
1st number: 18 3/4, 2nd number: 4 10/20
75/4 + 90/20 is 93/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
75/4 = 75 × 5/4 × 5 = 375/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
90/20 = 90 × 1/20 × 1 = 90/20 - Add the two like fractions:
375/20 + 90/20 = 375 + 90/20 = 465/20 - 465/20 simplified gives 93/4
- So, 75/4 + 90/20 = 93/4
In mixed form: 231/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/8+90/20 75/4+90/40 75/12+90/20 75/4+90/60 75/20+90/20 75/28+90/20