Add 42/60 and 84/54
1st number: 42/60, 2nd number: 1 30/54
42/60 + 84/54 is 203/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 54 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 60 × 9 = 540,
42/60 = 42 × 9/60 × 9 = 378/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
84/54 = 84 × 10/54 × 10 = 840/540 - Add the two like fractions:
378/540 + 840/540 = 378 + 840/540 = 1218/540 - 1218/540 simplified gives 203/90
- So, 42/60 + 84/54 = 203/90
In mixed form: 223/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/60+84/54