Add 12/15 and 8/90
12/15 + 8/90 is 8/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
12/15 = 12 × 6/15 × 6 = 72/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
8/90 = 8 × 1/90 × 1 = 8/90 - Add the two like fractions:
72/90 + 8/90 = 72 + 8/90 = 80/90 - 80/90 simplified gives 8/9
- So, 12/15 + 8/90 = 8/9
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