Add 84/54 and 40/72
1st number: 1 30/54, 2nd number: 40/72
84/54 + 40/72 is 19/9.
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,
40/72 = 40 × 3/72 × 3 = 120/216 - Add the two like fractions:
336/216 + 120/216 = 336 + 120/216 = 456/216 - 456/216 simplified gives 19/9
- So, 84/54 + 40/72 = 19/9
In mixed form: 21/9
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