Add 90/6 and 21/4
1st number: 15 0/6, 2nd number: 5 1/4
90/6 + 21/4 is 81/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 6 × 2 = 12,
90/6 = 90 × 2/6 × 2 = 180/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
21/4 = 21 × 3/4 × 3 = 63/12 - Add the two like fractions:
180/12 + 63/12 = 180 + 63/12 = 243/12 - 243/12 simplified gives 81/4
- So, 90/6 + 21/4 = 81/4
In mixed form: 201/4
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