Add 45/81 and 4/63
45/81 + 4/63 is 13/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 63 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 81 × 7 = 567,
45/81 = 45 × 7/81 × 7 = 315/567 - Likewise, for the 2nd fraction, since 63 × 9 = 567,
4/63 = 4 × 9/63 × 9 = 36/567 - Add the two like fractions:
315/567 + 36/567 = 315 + 36/567 = 351/567 - 351/567 simplified gives 13/21
- So, 45/81 + 4/63 = 13/21
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