Add 90/18 and 21/15
1st number: 5 0/18, 2nd number: 1 6/15
90/18 + 21/15 is 32/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
90/18 = 90 × 5/18 × 5 = 450/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
21/15 = 21 × 6/15 × 6 = 126/90 - Add the two like fractions:
450/90 + 126/90 = 450 + 126/90 = 576/90 - 576/90 simplified gives 32/5
- So, 90/18 + 21/15 = 32/5
In mixed form: 62/5
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