Add 42/15 and 18/64
1st number: 2 12/15, 2nd number: 18/64
42/15 + 18/64 is 493/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 64 is 960
Next, find the equivalent fraction of both fractional numbers with denominator 960 - For the 1st fraction, since 15 × 64 = 960,
42/15 = 42 × 64/15 × 64 = 2688/960 - Likewise, for the 2nd fraction, since 64 × 15 = 960,
18/64 = 18 × 15/64 × 15 = 270/960 - Add the two like fractions:
2688/960 + 270/960 = 2688 + 270/960 = 2958/960 - 2958/960 simplified gives 493/160
- So, 42/15 + 18/64 = 493/160
In mixed form: 313/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15+18/64 42/15+36/64 42/30+18/64 42/15+54/64 42/45+18/64 42/15+90/64 42/75+18/64