Add 84/54 and 21/72
1st number: 1 30/54, 2nd number: 21/72
84/54 + 21/72 is 133/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 72 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
84/54 = 84 × 4/54 × 4 = 336/216 - Likewise, for the 2nd fraction, since 72 × 3 = 216,
21/72 = 21 × 3/72 × 3 = 63/216 - Add the two like fractions:
336/216 + 63/216 = 336 + 63/216 = 399/216 - 399/216 simplified gives 133/72
- So, 84/54 + 21/72 = 133/72
In mixed form: 161/72
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