Add 45/42 and 25/84
1st number: 1 3/42, 2nd number: 25/84
45/42 + 25/84 is 115/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
45/42 = 45 × 2/42 × 2 = 90/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
25/84 = 25 × 1/84 × 1 = 25/84 - Add the two like fractions:
90/84 + 25/84 = 90 + 25/84 = 115/84 - So, 45/42 + 25/84 = 115/84
In mixed form: 131/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/42+25/84 45/42+50/84 45/84+25/84 45/42+75/84