Add 70/80 and 50/98
70/80 + 50/98 is 543/392.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 98 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 80 × 49 = 3920,
70/80 = 70 × 49/80 × 49 = 3430/3920 - Likewise, for the 2nd fraction, since 98 × 40 = 3920,
50/98 = 50 × 40/98 × 40 = 2000/3920 - Add the two like fractions:
3430/3920 + 2000/3920 = 3430 + 2000/3920 = 5430/3920 - 5430/3920 simplified gives 543/392
- So, 70/80 + 50/98 = 543/392
In mixed form: 1151/392
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