Add 42/64 and 9/75
42/64 + 9/75 is 621/800.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 75 is 4800
Next, find the equivalent fraction of both fractional numbers with denominator 4800 - For the 1st fraction, since 64 × 75 = 4800,
42/64 = 42 × 75/64 × 75 = 3150/4800 - Likewise, for the 2nd fraction, since 75 × 64 = 4800,
9/75 = 9 × 64/75 × 64 = 576/4800 - Add the two like fractions:
3150/4800 + 576/4800 = 3150 + 576/4800 = 3726/4800 - 3726/4800 simplified gives 621/800
- So, 42/64 + 9/75 = 621/800
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/64+9/75 42/64+18/75 42/64+27/75 42/64+45/75 42/64+63/75