Add 90/18 and 72/32
1st number: 5 0/18, 2nd number: 2 8/32
90/18 + 72/32 is 29/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 18 × 16 = 288,
90/18 = 90 × 16/18 × 16 = 1440/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
72/32 = 72 × 9/32 × 9 = 648/288 - Add the two like fractions:
1440/288 + 648/288 = 1440 + 648/288 = 2088/288 - 2088/288 simplified gives 29/4
- So, 90/18 + 72/32 = 29/4
In mixed form: 71/4
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