Add 20/63 and 5/20
20/63 + 5/20 is 143/252.
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,
20/63 = 20 × 20/63 × 20 = 400/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
5/20 = 5 × 63/20 × 63 = 315/1260 - Add the two like fractions:
400/1260 + 315/1260 = 400 + 315/1260 = 715/1260 - 715/1260 simplified gives 143/252
- So, 20/63 + 5/20 = 143/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/63+5/20 20/63+10/20 20/63+5/40 60/63+5/20 20/63+15/20 20/63+5/60 20/63+25/20 20/63+35/20