Add 90/54 and 21/4
1st number: 1 36/54, 2nd number: 5 1/4
90/54 + 21/4 is 83/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 4 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 54 × 2 = 108,
90/54 = 90 × 2/54 × 2 = 180/108 - Likewise, for the 2nd fraction, since 4 × 27 = 108,
21/4 = 21 × 27/4 × 27 = 567/108 - Add the two like fractions:
180/108 + 567/108 = 180 + 567/108 = 747/108 - 747/108 simplified gives 83/12
- So, 90/54 + 21/4 = 83/12
In mixed form: 611/12
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