Add 90/40 and 84/98
1st number: 2 10/40, 2nd number: 84/98
90/40 + 84/98 is 87/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 98 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 40 × 49 = 1960,
90/40 = 90 × 49/40 × 49 = 4410/1960 - Likewise, for the 2nd fraction, since 98 × 20 = 1960,
84/98 = 84 × 20/98 × 20 = 1680/1960 - Add the two like fractions:
4410/1960 + 1680/1960 = 4410 + 1680/1960 = 6090/1960 - 6090/1960 simplified gives 87/28
- So, 90/40 + 84/98 = 87/28
In mixed form: 33/28
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