Add 5/42 and 10/54
5/42 + 10/54 is 115/378.
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,
5/42 = 5 × 9/42 × 9 = 45/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
10/54 = 10 × 7/54 × 7 = 70/378 - Add the two like fractions:
45/378 + 70/378 = 45 + 70/378 = 115/378 - So, 5/42 + 10/54 = 115/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/42+10/54 5/42+20/54 5/84+10/54 15/42+10/54 5/42+30/54 25/42+10/54 5/42+50/54 35/42+10/54 5/42+70/54