Add 80/98 and 30/70
80/98 + 30/70 is 61/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
80/98 = 80 × 5/98 × 5 = 400/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
30/70 = 30 × 7/70 × 7 = 210/490 - Add the two like fractions:
400/490 + 210/490 = 400 + 210/490 = 610/490 - 610/490 simplified gives 61/49
- So, 80/98 + 30/70 = 61/49
In mixed form: 112/49
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