Add 70/80 and 70/98
70/80 + 70/98 is 89/56.
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,
70/98 = 70 × 40/98 × 40 = 2800/3920 - Add the two like fractions:
3430/3920 + 2800/3920 = 3430 + 2800/3920 = 6230/3920 - 6230/3920 simplified gives 89/56
- So, 70/80 + 70/98 = 89/56
In mixed form: 133/56
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