Add 45/42 and 54/25
1st number: 1 3/42, 2nd number: 2 4/25
45/42 + 54/25 is 1131/350.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 25 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
45/42 = 45 × 25/42 × 25 = 1125/1050 - Likewise, for the 2nd fraction, since 25 × 42 = 1050,
54/25 = 54 × 42/25 × 42 = 2268/1050 - Add the two like fractions:
1125/1050 + 2268/1050 = 1125 + 2268/1050 = 3393/1050 - 3393/1050 simplified gives 1131/350
- So, 45/42 + 54/25 = 1131/350
In mixed form: 381/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/42+54/25 45/84+54/25 45/42+54/50 45/42+54/75