Add 10/20 and 25/84
10/20 + 25/84 is 67/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
10/20 = 10 × 21/20 × 21 = 210/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
25/84 = 25 × 5/84 × 5 = 125/420 - Add the two like fractions:
210/420 + 125/420 = 210 + 125/420 = 335/420 - 335/420 simplified gives 67/84
- So, 10/20 + 25/84 = 67/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20+50/84 10/40+25/84 30/20+25/84 10/20+75/84 10/60+25/84 50/20+25/84 70/20+25/84