Add 24/80 and 9/40
24/80 + 9/40 is 21/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 40 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
24/80 = 24 × 1/80 × 1 = 24/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
9/40 = 9 × 2/40 × 2 = 18/80 - Add the two like fractions:
24/80 + 18/80 = 24 + 18/80 = 42/80 - 42/80 simplified gives 21/40
- So, 24/80 + 9/40 = 21/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/80+9/40 24/80+18/40 24/80+9/80 72/80+9/40 24/80+27/40 24/80+45/40 24/80+63/40