Add 42/20 and 9/64
1st number: 2 2/20, 2nd number: 9/64
42/20 + 9/64 is 717/320.
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,
42/20 = 42 × 16/20 × 16 = 672/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
9/64 = 9 × 5/64 × 5 = 45/320 - Add the two like fractions:
672/320 + 45/320 = 672 + 45/320 = 717/320 - So, 42/20 + 9/64 = 717/320
In mixed form: 277/320
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20+9/64 42/20+18/64 42/40+9/64 42/20+27/64 42/60+9/64 42/20+45/64 42/20+63/64