Add 24/40 and 45/64
24/40 + 45/64 is 417/320.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 64 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 40 × 8 = 320,
24/40 = 24 × 8/40 × 8 = 192/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
45/64 = 45 × 5/64 × 5 = 225/320 - Add the two like fractions:
192/320 + 225/320 = 192 + 225/320 = 417/320 - So, 24/40 + 45/64 = 417/320
In mixed form: 197/320
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/40+45/64 24/40+90/64 24/80+45/64 72/40+45/64