Add 8/18 and 45/72
8/18 + 45/72 is 77/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
8/18 = 8 × 4/18 × 4 = 32/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
45/72 = 45 × 1/72 × 1 = 45/72 - Add the two like fractions:
32/72 + 45/72 = 32 + 45/72 = 77/72 - So, 8/18 + 45/72 = 77/72
In mixed form: 15/72
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