Add 45/42 and 28/75
1st number: 1 3/42, 2nd number: 28/75
45/42 + 28/75 is 1517/1050.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 75 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 75 × 14 = 1050,
28/75 = 28 × 14/75 × 14 = 392/1050 - Add the two like fractions:
1125/1050 + 392/1050 = 1125 + 392/1050 = 1517/1050 - So, 45/42 + 28/75 = 1517/1050
In mixed form: 1467/1050
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/42+28/75 45/42+56/75 45/84+28/75 45/42+84/75