Add 10/60 and 90/81
1st number: 10/60, 2nd number: 1 9/81
10/60 + 90/81 is 23/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 81 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 60 × 27 = 1620,
10/60 = 10 × 27/60 × 27 = 270/1620 - Likewise, for the 2nd fraction, since 81 × 20 = 1620,
90/81 = 90 × 20/81 × 20 = 1800/1620 - Add the two like fractions:
270/1620 + 1800/1620 = 270 + 1800/1620 = 2070/1620 - 2070/1620 simplified gives 23/18
- So, 10/60 + 90/81 = 23/18
In mixed form: 15/18
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