Add 36/72 and 20/64
36/72 + 20/64 is 13/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 64 is 576
Next, find the equivalent fraction of both fractional numbers with denominator 576 - For the 1st fraction, since 72 × 8 = 576,
36/72 = 36 × 8/72 × 8 = 288/576 - Likewise, for the 2nd fraction, since 64 × 9 = 576,
20/64 = 20 × 9/64 × 9 = 180/576 - Add the two like fractions:
288/576 + 180/576 = 288 + 180/576 = 468/576 - 468/576 simplified gives 13/16
- So, 36/72 + 20/64 = 13/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/72+40/64 36/72+60/64