Add 40/60 and 60/64
40/60 + 60/64 is 77/48.
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,
40/60 = 40 × 16/60 × 16 = 640/960 - Likewise, for the 2nd fraction, since 64 × 15 = 960,
60/64 = 60 × 15/64 × 15 = 900/960 - Add the two like fractions:
640/960 + 900/960 = 640 + 900/960 = 1540/960 - 1540/960 simplified gives 77/48
- So, 40/60 + 60/64 = 77/48
In mixed form: 129/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/60+60/64