Add 18/72 and 7/8
18/72 + 7/8 is 9/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
18/72 = 18 × 1/72 × 1 = 18/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
7/8 = 7 × 9/8 × 9 = 63/72 - Add the two like fractions:
18/72 + 63/72 = 18 + 63/72 = 81/72 - 81/72 simplified gives 9/8
- So, 18/72 + 7/8 = 9/8
In mixed form: 11/8
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