Add 4/40 and 6/64
4/40 + 6/64 is 31/160.
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,
4/40 = 4 × 8/40 × 8 = 32/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
6/64 = 6 × 5/64 × 5 = 30/320 - Add the two like fractions:
32/320 + 30/320 = 32 + 30/320 = 62/320 - 62/320 simplified gives 31/160
- So, 4/40 + 6/64 = 31/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/40+6/64 4/40+12/64 4/80+6/64 12/40+6/64 4/40+18/64 20/40+6/64 4/40+30/64 28/40+6/64 4/40+42/64