Add 30/60 and 84/64
1st number: 30/60, 2nd number: 1 20/64
30/60 + 84/64 is 29/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 64 is 960
Next, find the equivalent fraction of both fractional numbers with denominator 960 - For the 1st fraction, since 60 × 16 = 960,
30/60 = 30 × 16/60 × 16 = 480/960 - Likewise, for the 2nd fraction, since 64 × 15 = 960,
84/64 = 84 × 15/64 × 15 = 1260/960 - Add the two like fractions:
480/960 + 1260/960 = 480 + 1260/960 = 1740/960 - 1740/960 simplified gives 29/16
- So, 30/60 + 84/64 = 29/16
In mixed form: 113/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60+84/64