Add 8/40 and 60/64
8/40 + 60/64 is 91/80.
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,
8/40 = 8 × 8/40 × 8 = 64/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
60/64 = 60 × 5/64 × 5 = 300/320 - Add the two like fractions:
64/320 + 300/320 = 64 + 300/320 = 364/320 - 364/320 simplified gives 91/80
- So, 8/40 + 60/64 = 91/80
In mixed form: 111/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/40+60/64 8/80+60/64 24/40+60/64 56/40+60/64