Add 40/10 and 81/64
1st number: 4 0/10, 2nd number: 1 17/64
40/10 + 81/64 is 337/64.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 64 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 10 × 32 = 320,
40/10 = 40 × 32/10 × 32 = 1280/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
81/64 = 81 × 5/64 × 5 = 405/320 - Add the two like fractions:
1280/320 + 405/320 = 1280 + 405/320 = 1685/320 - 1685/320 simplified gives 337/64
- So, 40/10 + 81/64 = 337/64
In mixed form: 517/64
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10+81/64 40/20+81/64 40/30+81/64 40/50+81/64 40/70+81/64