Add 72/81 and 98/60
1st number: 72/81, 2nd number: 1 38/60
72/81 + 98/60 is 227/90.
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,
72/81 = 72 × 20/81 × 20 = 1440/1620 - Likewise, for the 2nd fraction, since 60 × 27 = 1620,
98/60 = 98 × 27/60 × 27 = 2646/1620 - Add the two like fractions:
1440/1620 + 2646/1620 = 1440 + 2646/1620 = 4086/1620 - 4086/1620 simplified gives 227/90
- So, 72/81 + 98/60 = 227/90
In mixed form: 247/90
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