Add 64/2 and 42/21
1st number: 32 0/2, 2nd number: 2 0/21
64/2 + 42/21 is 34/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
64/2 = 64 × 21/2 × 21 = 1344/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
42/21 = 42 × 2/21 × 2 = 84/42 - Add the two like fractions:
1344/42 + 84/42 = 1344 + 84/42 = 1428/42 - 1428/42 simplified gives 34/1
- So, 64/2 + 42/21 = 34/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/2+84/21 64/4+42/21 64/6+42/21 64/2+42/63 64/10+42/21 64/14+42/21