Add 15/98 and 81/70
1st number: 15/98, 2nd number: 1 11/70
15/98 + 81/70 is 321/245.
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,
15/98 = 15 × 5/98 × 5 = 75/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
81/70 = 81 × 7/70 × 7 = 567/490 - Add the two like fractions:
75/490 + 567/490 = 75 + 567/490 = 642/490 - 642/490 simplified gives 321/245
- So, 15/98 + 81/70 = 321/245
In mixed form: 176/245
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