Add 84/72 and 40/9
1st number: 1 12/72, 2nd number: 4 4/9
84/72 + 40/9 is 101/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
84/72 = 84 × 1/72 × 1 = 84/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
40/9 = 40 × 8/9 × 8 = 320/72 - Add the two like fractions:
84/72 + 320/72 = 84 + 320/72 = 404/72 - 404/72 simplified gives 101/18
- So, 84/72 + 40/9 = 101/18
In mixed form: 511/18
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