Add 64/12 and 1/7
1st number: 5 4/12, 2nd number: 1/7
64/12 + 1/7 is 115/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
64/12 = 64 × 7/12 × 7 = 448/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
1/7 = 1 × 12/7 × 12 = 12/84 - Add the two like fractions:
448/84 + 12/84 = 448 + 12/84 = 460/84 - 460/84 simplified gives 115/21
- So, 64/12 + 1/7 = 115/21
In mixed form: 510/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/12+2/7 64/24+1/7 64/12+1/14 64/12+3/7 64/36+1/7 64/12+1/21 64/12+5/7 64/60+1/7 64/12+1/35 64/84+1/7 64/12+1/49