Add 16/40 and 12/64
16/40 + 12/64 is 47/80.
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,
16/40 = 16 × 8/40 × 8 = 128/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
12/64 = 12 × 5/64 × 5 = 60/320 - Add the two like fractions:
128/320 + 60/320 = 128 + 60/320 = 188/320 - 188/320 simplified gives 47/80
- So, 16/40 + 12/64 = 47/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/40+12/64 16/40+24/64 16/80+12/64 48/40+12/64 16/40+36/64 80/40+12/64 16/40+60/64 16/40+84/64