Add 25/84 and 18/30
25/84 + 18/30 is 377/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 30 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 30 × 14 = 420,
18/30 = 18 × 14/30 × 14 = 252/420 - Add the two like fractions:
125/420 + 252/420 = 125 + 252/420 = 377/420 - So, 25/84 + 18/30 = 377/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/84+18/30 25/84+36/30 25/84+18/60 75/84+18/30 25/84+54/30 25/84+18/90 25/84+90/30