Add 80/98 and 45/70
80/98 + 45/70 is 143/98.
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,
45/70 = 45 × 7/70 × 7 = 315/490 - Add the two like fractions:
400/490 + 315/490 = 400 + 315/490 = 715/490 - 715/490 simplified gives 143/98
- So, 80/98 + 45/70 = 143/98
In mixed form: 145/98
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