Add 84/70 and 63/81
1st number: 1 14/70, 2nd number: 63/81
84/70 + 63/81 is 89/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 81 is 5670
Next, find the equivalent fraction of both fractional numbers with denominator 5670 - For the 1st fraction, since 70 × 81 = 5670,
84/70 = 84 × 81/70 × 81 = 6804/5670 - Likewise, for the 2nd fraction, since 81 × 70 = 5670,
63/81 = 63 × 70/81 × 70 = 4410/5670 - Add the two like fractions:
6804/5670 + 4410/5670 = 6804 + 4410/5670 = 11214/5670 - 11214/5670 simplified gives 89/45
- So, 84/70 + 63/81 = 89/45
In mixed form: 144/45
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