Add 2/72 and 21/54
2/72 + 21/54 is 5/12.
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,
2/72 = 2 × 3/72 × 3 = 6/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
21/54 = 21 × 4/54 × 4 = 84/216 - Add the two like fractions:
6/216 + 84/216 = 6 + 84/216 = 90/216 - 90/216 simplified gives 5/12
- So, 2/72 + 21/54 = 5/12
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