Add 10/15 and 30/90
10/15 + 30/90 is 1/1.
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,
10/15 = 10 × 6/15 × 6 = 60/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
30/90 = 30 × 1/90 × 1 = 30/90 - Add the two like fractions:
60/90 + 30/90 = 60 + 30/90 = 90/90 - 90/90 simplified gives 1/1
- So, 10/15 + 30/90 = 1/1
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