Add 1/7 and 64/9
1st number: 1/7, 2nd number: 7 1/9
1/7 + 64/9 is 457/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
1/7 = 1 × 9/7 × 9 = 9/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
64/9 = 64 × 7/9 × 7 = 448/63 - Add the two like fractions:
9/63 + 448/63 = 9 + 448/63 = 457/63 - So, 1/7 + 64/9 = 457/63
In mixed form: 716/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/7+64/9 1/14+64/9 1/7+64/18 3/7+64/9 1/21+64/9 1/7+64/27 5/7+64/9 1/35+64/9 1/7+64/45 1/49+64/9 1/7+64/63