Add 9/80 and 75/4
1st number: 9/80, 2nd number: 18 3/4
9/80 + 75/4 is 1509/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 4 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
9/80 = 9 × 1/80 × 1 = 9/80 - Likewise, for the 2nd fraction, since 4 × 20 = 80,
75/4 = 75 × 20/4 × 20 = 1500/80 - Add the two like fractions:
9/80 + 1500/80 = 9 + 1500/80 = 1509/80 - So, 9/80 + 75/4 = 1509/80
In mixed form: 1869/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/80+75/4 9/80+75/8 27/80+75/4 9/80+75/12 45/80+75/4 9/80+75/20 63/80+75/4 9/80+75/28