Add 90/63 and 10/56
1st number: 1 27/63, 2nd number: 10/56
90/63 + 10/56 is 45/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
90/63 = 90 × 8/63 × 8 = 720/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
10/56 = 10 × 9/56 × 9 = 90/504 - Add the two like fractions:
720/504 + 90/504 = 720 + 90/504 = 810/504 - 810/504 simplified gives 45/28
- So, 90/63 + 10/56 = 45/28
In mixed form: 117/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63+20/56 90/63+30/56 90/63+50/56 90/63+70/56