Add 90/98 and 84/80
1st number: 90/98, 2nd number: 1 4/80
90/98 + 84/80 is 1929/980.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 80 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 98 × 40 = 3920,
90/98 = 90 × 40/98 × 40 = 3600/3920 - Likewise, for the 2nd fraction, since 80 × 49 = 3920,
84/80 = 84 × 49/80 × 49 = 4116/3920 - Add the two like fractions:
3600/3920 + 4116/3920 = 3600 + 4116/3920 = 7716/3920 - 7716/3920 simplified gives 1929/980
- So, 90/98 + 84/80 = 1929/980
In mixed form: 1949/980
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