Add 18/90 and 72/15
1st number: 18/90, 2nd number: 4 12/15
18/90 + 72/15 is 5/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
18/90 = 18 × 1/90 × 1 = 18/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
72/15 = 72 × 6/15 × 6 = 432/90 - Add the two like fractions:
18/90 + 432/90 = 18 + 432/90 = 450/90 - 450/90 simplified gives 5/1
- So, 18/90 + 72/15 = 5/1
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