Add 72/63 and 7/81
1st number: 1 9/63, 2nd number: 7/81
72/63 + 7/81 is 697/567.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 63 × 9 = 567,
72/63 = 72 × 9/63 × 9 = 648/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
7/81 = 7 × 7/81 × 7 = 49/567 - Add the two like fractions:
648/567 + 49/567 = 648 + 49/567 = 697/567 - So, 72/63 + 7/81 = 697/567
In mixed form: 1130/567
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