Add 56/81 and 90/60
1st number: 56/81, 2nd number: 1 30/60
56/81 + 90/60 is 355/162.
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,
56/81 = 56 × 20/81 × 20 = 1120/1620 - Likewise, for the 2nd fraction, since 60 × 27 = 1620,
90/60 = 90 × 27/60 × 27 = 2430/1620 - Add the two like fractions:
1120/1620 + 2430/1620 = 1120 + 2430/1620 = 3550/1620 - 3550/1620 simplified gives 355/162
- So, 56/81 + 90/60 = 355/162
In mixed form: 231/162
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