Add 20/63 and 2/28
20/63 + 2/28 is 7/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
20/63 = 20 × 4/63 × 4 = 80/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
2/28 = 2 × 9/28 × 9 = 18/252 - Add the two like fractions:
80/252 + 18/252 = 80 + 18/252 = 98/252 - 98/252 simplified gives 7/18
- So, 20/63 + 2/28 = 7/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/63+2/28 20/63+4/28 20/63+2/56 60/63+2/28 20/63+6/28 20/63+2/84 20/63+10/28 20/63+14/28