Add 25/84 and 8/20
25/84 + 8/20 is 293/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 20 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
25/84 = 25 × 5/84 × 5 = 125/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
8/20 = 8 × 21/20 × 21 = 168/420 - Add the two like fractions:
125/420 + 168/420 = 125 + 168/420 = 293/420 - So, 25/84 + 8/20 = 293/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/84+8/20 25/84+16/20 25/84+8/40 75/84+8/20 25/84+24/20 25/84+8/60 25/84+40/20 25/84+56/20