Add 90/6 and 21/84
1st number: 15 0/6, 2nd number: 21/84
90/6 + 21/84 is 61/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 6 × 14 = 84,
90/6 = 90 × 14/6 × 14 = 1260/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
21/84 = 21 × 1/84 × 1 = 21/84 - Add the two like fractions:
1260/84 + 21/84 = 1260 + 21/84 = 1281/84 - 1281/84 simplified gives 61/4
- So, 90/6 + 21/84 = 61/4
In mixed form: 151/4
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