Add 25/84 and 72/10
1st number: 25/84, 2nd number: 7 2/10
25/84 + 72/10 is 3149/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 10 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 10 × 42 = 420,
72/10 = 72 × 42/10 × 42 = 3024/420 - Add the two like fractions:
125/420 + 3024/420 = 125 + 3024/420 = 3149/420 - So, 25/84 + 72/10 = 3149/420
In mixed form: 7209/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/84+72/10 25/84+72/20 75/84+72/10 25/84+72/30 25/84+72/50 25/84+72/70