Add 90/72 and 40/32
1st number: 1 18/72, 2nd number: 1 8/32
90/72 + 40/32 is 5/2.
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,
90/72 = 90 × 4/72 × 4 = 360/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
40/32 = 40 × 9/32 × 9 = 360/288 - Add the two like fractions:
360/288 + 360/288 = 360 + 360/288 = 720/288 - 720/288 simplified gives 5/2
- So, 90/72 + 40/32 = 5/2
In mixed form: 21/2
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