Add 63/18 and 90/15
1st number: 3 9/18, 2nd number: 6 0/15
63/18 + 90/15 is 19/2.
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,
63/18 = 63 × 5/18 × 5 = 315/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
90/15 = 90 × 6/15 × 6 = 540/90 - Add the two like fractions:
315/90 + 540/90 = 315 + 540/90 = 855/90 - 855/90 simplified gives 19/2
- So, 63/18 + 90/15 = 19/2
In mixed form: 91/2
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