Add 30/7 and 70/81
1st number: 4 2/7, 2nd number: 70/81
30/7 + 70/81 is 2920/567.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 7 × 81 = 567,
30/7 = 30 × 81/7 × 81 = 2430/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
70/81 = 70 × 7/81 × 7 = 490/567 - Add the two like fractions:
2430/567 + 490/567 = 2430 + 490/567 = 2920/567 - So, 30/7 + 70/81 = 2920/567
In mixed form: 585/567
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