Add 1/30 and 81/90
1/30 + 81/90 is 14/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
1/30 = 1 × 3/30 × 3 = 3/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
81/90 = 81 × 1/90 × 1 = 81/90 - Add the two like fractions:
3/90 + 81/90 = 3 + 81/90 = 84/90 - 84/90 simplified gives 14/15
- So, 1/30 + 81/90 = 14/15
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