Add 3/54 and 36/42
3/54 + 36/42 is 115/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
3/54 = 3 × 7/54 × 7 = 21/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
36/42 = 36 × 9/42 × 9 = 324/378 - Add the two like fractions:
21/378 + 324/378 = 21 + 324/378 = 345/378 - 345/378 simplified gives 115/126
- So, 3/54 + 36/42 = 115/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/54+36/42 3/54+72/42 3/54+36/84 9/54+36/42 15/54+36/42 21/54+36/42