Add 80/98 and 15/70
80/98 + 15/70 is 101/98.
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,
15/70 = 15 × 7/70 × 7 = 105/490 - Add the two like fractions:
400/490 + 105/490 = 400 + 105/490 = 505/490 - 505/490 simplified gives 101/98
- So, 80/98 + 15/70 = 101/98
In mixed form: 13/98
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