Add 4/81 and 90/60
1st number: 4/81, 2nd number: 1 30/60
4/81 + 90/60 is 251/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 60 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 81 × 20 = 1620,
4/81 = 4 × 20/81 × 20 = 80/1620 - Likewise, for the 2nd fraction, since 60 × 27 = 1620,
90/60 = 90 × 27/60 × 27 = 2430/1620 - Add the two like fractions:
80/1620 + 2430/1620 = 80 + 2430/1620 = 2510/1620 - 2510/1620 simplified gives 251/162
- So, 4/81 + 90/60 = 251/162
In mixed form: 189/162
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