Add 90/84 and 28/24
1st number: 1 6/84, 2nd number: 1 4/24
90/84 + 28/24 is 47/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
90/84 = 90 × 2/84 × 2 = 180/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
28/24 = 28 × 7/24 × 7 = 196/168 - Add the two like fractions:
180/168 + 196/168 = 180 + 196/168 = 376/168 - 376/168 simplified gives 47/21
- So, 90/84 + 28/24 = 47/21
In mixed form: 25/21
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