Add 18/40 and 18/64
18/40 + 18/64 is 117/160.
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,
18/40 = 18 × 8/40 × 8 = 144/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
18/64 = 18 × 5/64 × 5 = 90/320 - Add the two like fractions:
144/320 + 90/320 = 144 + 90/320 = 234/320 - 234/320 simplified gives 117/160
- So, 18/40 + 18/64 = 117/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/40+18/64 18/40+36/64 18/80+18/64 54/40+18/64 18/40+54/64 90/40+18/64 18/40+90/64