Add 8/42 and 75/54
1st number: 8/42, 2nd number: 1 21/54
8/42 + 75/54 is 199/126.
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,
8/42 = 8 × 9/42 × 9 = 72/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
75/54 = 75 × 7/54 × 7 = 525/378 - Add the two like fractions:
72/378 + 525/378 = 72 + 525/378 = 597/378 - 597/378 simplified gives 199/126
- So, 8/42 + 75/54 = 199/126
In mixed form: 173/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/42+75/54 8/84+75/54 24/42+75/54 40/42+75/54 56/42+75/54