Add 81/10 and 54/70
1st number: 8 1/10, 2nd number: 54/70
81/10 + 54/70 is 621/70.
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,
54/70 = 54 × 1/70 × 1 = 54/70 - Add the two like fractions:
567/70 + 54/70 = 567 + 54/70 = 621/70 - So, 81/10 + 54/70 = 621/70
In mixed form: 861/70
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