Add 64/63 and 27/70
1st number: 1 1/63, 2nd number: 27/70
64/63 + 27/70 is 883/630.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
64/63 = 64 × 10/63 × 10 = 640/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
27/70 = 27 × 9/70 × 9 = 243/630 - Add the two like fractions:
640/630 + 243/630 = 640 + 243/630 = 883/630 - So, 64/63 + 27/70 = 883/630
In mixed form: 1253/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/63+54/70 64/63+81/70