Add 75/80 and 3/30
75/80 + 3/30 is 83/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
75/80 = 75 × 3/80 × 3 = 225/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
3/30 = 3 × 8/30 × 8 = 24/240 - Add the two like fractions:
225/240 + 24/240 = 225 + 24/240 = 249/240 - 249/240 simplified gives 83/80
- So, 75/80 + 3/30 = 83/80
In mixed form: 13/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/80+6/30 75/80+3/60 75/80+9/30 75/80+3/90 75/80+15/30 75/80+21/30