Add 12/98 and 70/80
12/98 + 70/80 is 391/392.
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,
12/98 = 12 × 40/98 × 40 = 480/3920 - Likewise, for the 2nd fraction, since 80 × 49 = 3920,
70/80 = 70 × 49/80 × 49 = 3430/3920 - Add the two like fractions:
480/3920 + 3430/3920 = 480 + 3430/3920 = 3910/3920 - 3910/3920 simplified gives 391/392
- So, 12/98 + 70/80 = 391/392
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