Add 75/56 and 84/63
1st number: 1 19/56, 2nd number: 1 21/63
75/56 + 84/63 is 449/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
75/56 = 75 × 9/56 × 9 = 675/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
84/63 = 84 × 8/63 × 8 = 672/504 - Add the two like fractions:
675/504 + 672/504 = 675 + 672/504 = 1347/504 - 1347/504 simplified gives 449/168
- So, 75/56 + 84/63 = 449/168
In mixed form: 2113/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: