Add 15/2 and 90/84
1st number: 7 1/2, 2nd number: 1 6/84
15/2 + 90/84 is 60/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 2 × 42 = 84,
15/2 = 15 × 42/2 × 42 = 630/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
90/84 = 90 × 1/84 × 1 = 90/84 - Add the two like fractions:
630/84 + 90/84 = 630 + 90/84 = 720/84 - 720/84 simplified gives 60/7
- So, 15/2 + 90/84 = 60/7
In mixed form: 84/7
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