Add 56/70 and 84/81
1st number: 56/70, 2nd number: 1 3/81
56/70 + 84/81 is 248/135.
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,
56/70 = 56 × 81/70 × 81 = 4536/5670 - Likewise, for the 2nd fraction, since 81 × 70 = 5670,
84/81 = 84 × 70/81 × 70 = 5880/5670 - Add the two like fractions:
4536/5670 + 5880/5670 = 4536 + 5880/5670 = 10416/5670 - 10416/5670 simplified gives 248/135
- So, 56/70 + 84/81 = 248/135
In mixed form: 1113/135
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