Add 63/75 and 70/63
1st number: 63/75, 2nd number: 1 7/63
63/75 + 70/63 is 439/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 63 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 75 × 21 = 1575,
63/75 = 63 × 21/75 × 21 = 1323/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
70/63 = 70 × 25/63 × 25 = 1750/1575 - Add the two like fractions:
1323/1575 + 1750/1575 = 1323 + 1750/1575 = 3073/1575 - 3073/1575 simplified gives 439/225
- So, 63/75 + 70/63 = 439/225
In mixed form: 1214/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: