Add 4/64 and 7/40
4/64 + 7/40 is 19/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 40 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 64 × 5 = 320,
4/64 = 4 × 5/64 × 5 = 20/320 - Likewise, for the 2nd fraction, since 40 × 8 = 320,
7/40 = 7 × 8/40 × 8 = 56/320 - Add the two like fractions:
20/320 + 56/320 = 20 + 56/320 = 76/320 - 76/320 simplified gives 19/80
- So, 4/64 + 7/40 = 19/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/64+7/40 4/64+14/40 4/64+7/80 12/64+7/40 4/64+21/40 20/64+7/40 4/64+35/40 28/64+7/40 4/64+49/40