Add 20/63 and 90/56
1st number: 20/63, 2nd number: 1 34/56
20/63 + 90/56 is 485/252.
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,
20/63 = 20 × 8/63 × 8 = 160/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
90/56 = 90 × 9/56 × 9 = 810/504 - Add the two like fractions:
160/504 + 810/504 = 160 + 810/504 = 970/504 - 970/504 simplified gives 485/252
- So, 20/63 + 90/56 = 485/252
In mixed form: 1233/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/63+90/56 60/63+90/56