Add 3/42 and 25/54
3/42 + 25/54 is 101/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 42 × 9 = 378,
3/42 = 3 × 9/42 × 9 = 27/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
25/54 = 25 × 7/54 × 7 = 175/378 - Add the two like fractions:
27/378 + 175/378 = 27 + 175/378 = 202/378 - 202/378 simplified gives 101/189
- So, 3/42 + 25/54 = 101/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/42+25/54 3/42+50/54 3/84+25/54 9/42+25/54 3/42+75/54 15/42+25/54 21/42+25/54