Add 7/72 and 7/9
772 + 79 is 78.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
772 = 7 × 172 × 1 = 772 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
79 = 7 × 89 × 8 = 5672 - Add the two like fractions:
772 + 5672 = 7 + 5672 = 6372 - 63/72 simplified gives 78
- So, 7/72 + 7/9 = 7/8
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