Add 54/20 and 70/64
1st number: 2 14/20, 2nd number: 1 6/64
54/20 + 70/64 is 607/160.
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,
54/20 = 54 × 16/20 × 16 = 864/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
70/64 = 70 × 5/64 × 5 = 350/320 - Add the two like fractions:
864/320 + 350/320 = 864 + 350/320 = 1214/320 - 1214/320 simplified gives 607/160
- So, 54/20 + 70/64 = 607/160
In mixed form: 3127/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/40+70/64 54/60+70/64