Add 54/60 and 45/7
1st number: 54/60, 2nd number: 6 3/7
54/60 + 45/7 is 513/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 7 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
54/60 = 54 × 7/60 × 7 = 378/420 - Likewise, for the 2nd fraction, since 7 × 60 = 420,
45/7 = 45 × 60/7 × 60 = 2700/420 - Add the two like fractions:
378/420 + 2700/420 = 378 + 2700/420 = 3078/420 - 3078/420 simplified gives 513/70
- So, 54/60 + 45/7 = 513/70
In mixed form: 723/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/60+90/7 54/60+45/14 54/60+45/21 54/60+45/35 54/60+45/49