Add 50/90 and 64/63
1st number: 50/90, 2nd number: 1 1/63
50/90 + 64/63 is 11/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
50/90 = 50 × 7/90 × 7 = 350/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
64/63 = 64 × 10/63 × 10 = 640/630 - Add the two like fractions:
350/630 + 640/630 = 350 + 640/630 = 990/630 - 990/630 simplified gives 11/7
- So, 50/90 + 64/63 = 11/7
In mixed form: 14/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: