Add 30/20 and 27/64
1st number: 1 10/20, 2nd number: 27/64
30/20 + 27/64 is 123/64.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 64 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 20 × 16 = 320,
30/20 = 30 × 16/20 × 16 = 480/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
27/64 = 27 × 5/64 × 5 = 135/320 - Add the two like fractions:
480/320 + 135/320 = 480 + 135/320 = 615/320 - 615/320 simplified gives 123/64
- So, 30/20 + 27/64 = 123/64
In mixed form: 159/64
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+27/64 30/20+54/64 30/40+27/64 90/20+27/64 30/20+81/64 30/60+27/64