Add 72/54 and 90/20
1st number: 1 18/54, 2nd number: 4 10/20
72/54 + 90/20 is 35/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
72/54 = 72 × 10/54 × 10 = 720/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
90/20 = 90 × 27/20 × 27 = 2430/540 - Add the two like fractions:
720/540 + 2430/540 = 720 + 2430/540 = 3150/540 - 3150/540 simplified gives 35/6
- So, 72/54 + 90/20 = 35/6
In mixed form: 55/6
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