Add 40/72 and 45/18
1st number: 40/72, 2nd number: 2 9/18
40/72 + 45/18 is 55/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
40/72 = 40 × 1/72 × 1 = 40/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
45/18 = 45 × 4/18 × 4 = 180/72 - Add the two like fractions:
40/72 + 180/72 = 40 + 180/72 = 220/72 - 220/72 simplified gives 55/18
- So, 40/72 + 45/18 = 55/18
In mixed form: 31/18
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