Add 5/15 and 90/84
1st number: 5/15, 2nd number: 1 6/84
5/15 + 90/84 is 59/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
5/15 = 5 × 28/15 × 28 = 140/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
90/84 = 90 × 5/84 × 5 = 450/420 - Add the two like fractions:
140/420 + 450/420 = 140 + 450/420 = 590/420 - 590/420 simplified gives 59/42
- So, 5/15 + 90/84 = 59/42
In mixed form: 117/42
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