Add 27/60 and 40/21
1st number: 27/60, 2nd number: 1 19/21
27/60 + 40/21 is 989/420.
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,
40/21 = 40 × 20/21 × 20 = 800/420 - Add the two like fractions:
189/420 + 800/420 = 189 + 800/420 = 989/420 - So, 27/60 + 40/21 = 989/420
In mixed form: 2149/420
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