Add 56/63 and 2/20
56/63 + 2/20 is 89/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 20 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
56/63 = 56 × 20/63 × 20 = 1120/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
2/20 = 2 × 63/20 × 63 = 126/1260 - Add the two like fractions:
1120/1260 + 126/1260 = 1120 + 126/1260 = 1246/1260 - 1246/1260 simplified gives 89/90
- So, 56/63 + 2/20 = 89/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63+4/20 56/63+2/40 56/63+6/20 56/63+2/60 56/63+10/20 56/63+14/20