Add 25/12 and 45/84
1st number: 2 1/12, 2nd number: 45/84
25/12 + 45/84 is 55/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
25/12 = 25 × 7/12 × 7 = 175/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
45/84 = 45 × 1/84 × 1 = 45/84 - Add the two like fractions:
175/84 + 45/84 = 175 + 45/84 = 220/84 - 220/84 simplified gives 55/21
- So, 25/12 + 45/84 = 55/21
In mixed form: 213/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/12+45/84 25/12+90/84 25/24+45/84 75/12+45/84 25/36+45/84 25/60+45/84 25/84+45/84