Add 90/20 and 64/27
1st number: 4 10/20, 2nd number: 2 10/27
90/20 + 64/27 is 371/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
90/20 = 90 × 27/20 × 27 = 2430/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
64/27 = 64 × 20/27 × 20 = 1280/540 - Add the two like fractions:
2430/540 + 1280/540 = 2430 + 1280/540 = 3710/540 - 3710/540 simplified gives 371/54
- So, 90/20 + 64/27 = 371/54
In mixed form: 647/54
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