Add 64/20 and 2/42
1st number: 3 4/20, 2nd number: 2/42
64/20 + 2/42 is 341/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
64/20 = 64 × 21/20 × 21 = 1344/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
2/42 = 2 × 10/42 × 10 = 20/420 - Add the two like fractions:
1344/420 + 20/420 = 1344 + 20/420 = 1364/420 - 1364/420 simplified gives 341/105
- So, 64/20 + 2/42 = 341/105
In mixed form: 326/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/20+4/42 64/40+2/42 64/20+2/84 64/20+6/42 64/60+2/42 64/20+10/42 64/20+14/42