Add 90/72 and 81/25
1st number: 1 18/72, 2nd number: 3 6/25
90/72 + 81/25 is 449/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 25 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
90/72 = 90 × 25/72 × 25 = 2250/1800 - Likewise, for the 2nd fraction, since 25 × 72 = 1800,
81/25 = 81 × 72/25 × 72 = 5832/1800 - Add the two like fractions:
2250/1800 + 5832/1800 = 2250 + 5832/1800 = 8082/1800 - 8082/1800 simplified gives 449/100
- So, 90/72 + 81/25 = 449/100
In mixed form: 449/100
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