Add 90/98 and 4/80
90/98 + 4/80 is 949/980.
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,
4/80 = 4 × 49/80 × 49 = 196/3920 - Add the two like fractions:
3600/3920 + 196/3920 = 3600 + 196/3920 = 3796/3920 - 3796/3920 simplified gives 949/980
- So, 90/98 + 4/80 = 949/980
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