Add 40/20 and 18/64
1st number: 2 0/20, 2nd number: 18/64
40/20 + 18/64 is 73/32.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 64 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 20 × 16 = 320,
40/20 = 40 × 16/20 × 16 = 640/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
18/64 = 18 × 5/64 × 5 = 90/320 - Add the two like fractions:
640/320 + 90/320 = 640 + 90/320 = 730/320 - 730/320 simplified gives 73/32
- So, 40/20 + 18/64 = 73/32
In mixed form: 29/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20+18/64 40/20+36/64 40/20+54/64 40/60+18/64 40/20+90/64