Add 25/4 and 9/80
1st number: 6 1/4, 2nd number: 9/80
25/4 + 9/80 is 509/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
25/4 = 25 × 20/4 × 20 = 500/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
9/80 = 9 × 1/80 × 1 = 9/80 - Add the two like fractions:
500/80 + 9/80 = 500 + 9/80 = 509/80 - So, 25/4 + 9/80 = 509/80
In mixed form: 629/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/4+9/80 25/4+18/80 25/8+9/80 75/4+9/80 25/4+27/80 25/12+9/80 25/4+45/80 25/20+9/80 25/4+63/80 25/28+9/80