Add 20/60 and 50/63
20/60 + 50/63 is 71/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 60 × 21 = 1260,
20/60 = 20 × 21/60 × 21 = 420/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
50/63 = 50 × 20/63 × 20 = 1000/1260 - Add the two like fractions:
420/1260 + 1000/1260 = 420 + 1000/1260 = 1420/1260 - 1420/1260 simplified gives 71/63
- So, 20/60 + 50/63 = 71/63
In mixed form: 18/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/60+50/63