Add 5/21 and 10/64
5/21 + 10/64 is 265/672.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 64 is 1344
Next, find the equivalent fraction of both fractional numbers with denominator 1344 - For the 1st fraction, since 21 × 64 = 1344,
5/21 = 5 × 64/21 × 64 = 320/1344 - Likewise, for the 2nd fraction, since 64 × 21 = 1344,
10/64 = 10 × 21/64 × 21 = 210/1344 - Add the two like fractions:
320/1344 + 210/1344 = 320 + 210/1344 = 530/1344 - 530/1344 simplified gives 265/672
- So, 5/21 + 10/64 = 265/672
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/21+10/64 5/21+20/64 5/42+10/64 15/21+10/64 5/21+30/64 5/63+10/64 25/21+10/64 5/21+50/64 35/21+10/64 5/21+70/64