Add 18/72 and 40/32
1st number: 18/72, 2nd number: 1 8/32
18/72 + 40/32 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 72 × 4 = 288,
18/72 = 18 × 4/72 × 4 = 72/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
40/32 = 40 × 9/32 × 9 = 360/288 - Add the two like fractions:
72/288 + 360/288 = 72 + 360/288 = 432/288 - 432/288 simplified gives 3/2
- So, 18/72 + 40/32 = 3/2
In mixed form: 11/2
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