Add 64/18 and 5/8
1st number: 3 10/18, 2nd number: 5/8
64/18 + 5/8 is 301/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
64/18 = 64 × 4/18 × 4 = 256/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
5/8 = 5 × 9/8 × 9 = 45/72 - Add the two like fractions:
256/72 + 45/72 = 256 + 45/72 = 301/72 - So, 64/18 + 5/8 = 301/72
In mixed form: 413/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/18+10/8 64/36+5/8 64/18+5/16 64/18+15/8 64/54+5/8 64/18+5/24 64/18+25/8 64/90+5/8 64/18+5/40 64/18+35/8 64/18+5/56