Add 60/42 and 75/54
1st number: 1 18/42, 2nd number: 1 21/54
60/42 + 75/54 is 355/126.
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,
60/42 = 60 × 9/42 × 9 = 540/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
75/54 = 75 × 7/54 × 7 = 525/378 - Add the two like fractions:
540/378 + 525/378 = 540 + 525/378 = 1065/378 - 1065/378 simplified gives 355/126
- So, 60/42 + 75/54 = 355/126
In mixed form: 2103/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/84+75/54