Add 27/60 and 24/21
1st number: 27/60, 2nd number: 1 3/21
27/60 + 24/21 is 223/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
27/60 = 27 × 7/60 × 7 = 189/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
24/21 = 24 × 20/21 × 20 = 480/420 - Add the two like fractions:
189/420 + 480/420 = 189 + 480/420 = 669/420 - 669/420 simplified gives 223/140
- So, 27/60 + 24/21 = 223/140
In mixed form: 183/140
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