Add 45/72 and 20/54
45/72 + 20/54 is 215/216.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 72 × 3 = 216,
45/72 = 45 × 3/72 × 3 = 135/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
20/54 = 20 × 4/54 × 4 = 80/216 - Add the two like fractions:
135/216 + 80/216 = 135 + 80/216 = 215/216 - So, 45/72 + 20/54 = 215/216
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