Add 20/64 and 15/30
20/64 + 15/30 is 13/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 30 is 960
Next, find the equivalent fraction of both fractional numbers with denominator 960 - For the 1st fraction, since 64 × 15 = 960,
20/64 = 20 × 15/64 × 15 = 300/960 - Likewise, for the 2nd fraction, since 30 × 32 = 960,
15/30 = 15 × 32/30 × 32 = 480/960 - Add the two like fractions:
300/960 + 480/960 = 300 + 480/960 = 780/960 - 780/960 simplified gives 13/16
- So, 20/64 + 15/30 = 13/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/64+15/30 20/64+15/60 60/64+15/30 20/64+45/30 20/64+15/90 20/64+75/30