Add 20/75 and 25/63
20/75 + 25/63 is 209/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 63 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 75 × 21 = 1575,
20/75 = 20 × 21/75 × 21 = 420/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
25/63 = 25 × 25/63 × 25 = 625/1575 - Add the two like fractions:
420/1575 + 625/1575 = 420 + 625/1575 = 1045/1575 - 1045/1575 simplified gives 209/315
- So, 20/75 + 25/63 = 209/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/75+25/63 20/75+50/63 60/75+25/63 20/75+75/63