Add 12/10 and 25/84
1st number: 1 2/10, 2nd number: 25/84
12/10 + 25/84 is 629/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 10 × 42 = 420,
12/10 = 12 × 42/10 × 42 = 504/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
25/84 = 25 × 5/84 × 5 = 125/420 - Add the two like fractions:
504/420 + 125/420 = 504 + 125/420 = 629/420 - So, 12/10 + 25/84 = 629/420
In mixed form: 1209/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/10+25/84 12/10+50/84 12/20+25/84 36/10+25/84 12/10+75/84 12/30+25/84 60/10+25/84 12/50+25/84 84/10+25/84 12/70+25/84