Add 27/20 and 54/84
1st number: 1 7/20, 2nd number: 54/84
27/20 + 54/84 is 279/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
27/20 = 27 × 21/20 × 21 = 567/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
54/84 = 54 × 5/84 × 5 = 270/420 - Add the two like fractions:
567/420 + 270/420 = 567 + 270/420 = 837/420 - 837/420 simplified gives 279/140
- So, 27/20 + 54/84 = 279/140
In mixed form: 1139/140
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