Add 64/14 and 70/40
1st number: 4 8/14, 2nd number: 1 30/40
64/14 + 70/40 is 177/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 14 × 20 = 280,
64/14 = 64 × 20/14 × 20 = 1280/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
70/40 = 70 × 7/40 × 7 = 490/280 - Add the two like fractions:
1280/280 + 490/280 = 1280 + 490/280 = 1770/280 - 1770/280 simplified gives 177/28
- So, 64/14 + 70/40 = 177/28
In mixed form: 69/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/28+70/40 64/14+70/80 64/42+70/40 64/70+70/40 64/98+70/40