Add 30/81 and 60/70
30/81 + 60/70 is 232/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 70 is 5670
Next, find the equivalent fraction of both fractional numbers with denominator 5670 - For the 1st fraction, since 81 × 70 = 5670,
30/81 = 30 × 70/81 × 70 = 2100/5670 - Likewise, for the 2nd fraction, since 70 × 81 = 5670,
60/70 = 60 × 81/70 × 81 = 4860/5670 - Add the two like fractions:
2100/5670 + 4860/5670 = 2100 + 4860/5670 = 6960/5670 - 6960/5670 simplified gives 232/189
- So, 30/81 + 60/70 = 232/189
In mixed form: 143/189
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