Add 27/21 and 9/60
1st number: 1 6/21, 2nd number: 9/60
27/21 + 9/60 is 201/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 21 × 20 = 420,
27/21 = 27 × 20/21 × 20 = 540/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
9/60 = 9 × 7/60 × 7 = 63/420 - Add the two like fractions:
540/420 + 63/420 = 540 + 63/420 = 603/420 - 603/420 simplified gives 201/140
- So, 27/21 + 9/60 = 201/140
In mixed form: 161/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/21+9/60 27/21+18/60 27/42+9/60 81/21+9/60 27/21+27/60 27/63+9/60 27/21+45/60 27/21+63/60