Add 72/18 and 12/90
1st number: 4 0/18, 2nd number: 12/90
72/18 + 12/90 is 62/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
72/18 = 72 × 5/18 × 5 = 360/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
12/90 = 12 × 1/90 × 1 = 12/90 - Add the two like fractions:
360/90 + 12/90 = 360 + 12/90 = 372/90 - 372/90 simplified gives 62/15
- So, 72/18 + 12/90 = 62/15
In mixed form: 42/15
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