Add 81/54 and 70/14
1st number: 1 27/54, 2nd number: 5 0/14
81/54 + 70/14 is 13/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 14 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
81/54 = 81 × 7/54 × 7 = 567/378 - Likewise, for the 2nd fraction, since 14 × 27 = 378,
70/14 = 70 × 27/14 × 27 = 1890/378 - Add the two like fractions:
567/378 + 1890/378 = 567 + 1890/378 = 2457/378 - 2457/378 simplified gives 13/2
- So, 81/54 + 70/14 = 13/2
In mixed form: 61/2
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