Add 30/20 and 36/64
1st number: 1 10/20, 2nd number: 36/64
30/20 + 36/64 is 33/16.
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,
30/20 = 30 × 16/20 × 16 = 480/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
36/64 = 36 × 5/64 × 5 = 180/320 - Add the two like fractions:
480/320 + 180/320 = 480 + 180/320 = 660/320 - 660/320 simplified gives 33/16
- So, 30/20 + 36/64 = 33/16
In mixed form: 21/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+36/64 30/20+72/64 30/40+36/64 90/20+36/64 30/60+36/64