Add 90/30 and 9/84
1st number: 3 0/30, 2nd number: 9/84
90/30 + 9/84 is 87/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
90/30 = 90 × 14/30 × 14 = 1260/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
9/84 = 9 × 5/84 × 5 = 45/420 - Add the two like fractions:
1260/420 + 45/420 = 1260 + 45/420 = 1305/420 - 1305/420 simplified gives 87/28
- So, 90/30 + 9/84 = 87/28
In mixed form: 33/28
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