Add 90/2 and 42/84
1st number: 45 0/2, 2nd number: 42/84
90/2 + 42/84 is 91/2.
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,
90/2 = 90 × 42/2 × 42 = 3780/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
42/84 = 42 × 1/84 × 1 = 42/84 - Add the two like fractions:
3780/84 + 42/84 = 3780 + 42/84 = 3822/84 - 3822/84 simplified gives 91/2
- So, 90/2 + 42/84 = 91/2
In mixed form: 451/2
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