Add 81/10 and 98/70
1st number: 8 1/10, 2nd number: 1 28/70
81/10 + 98/70 is 19/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
81/10 = 81 × 7/10 × 7 = 567/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
98/70 = 98 × 1/70 × 1 = 98/70 - Add the two like fractions:
567/70 + 98/70 = 567 + 98/70 = 665/70 - 665/70 simplified gives 19/2
- So, 81/10 + 98/70 = 19/2
In mixed form: 91/2
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