Add 35/20 and 90/27
1st number: 1 15/20, 2nd number: 3 9/27
35/20 + 90/27 is 61/12.
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,
35/20 = 35 × 27/20 × 27 = 945/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
90/27 = 90 × 20/27 × 20 = 1800/540 - Add the two like fractions:
945/540 + 1800/540 = 945 + 1800/540 = 2745/540 - 2745/540 simplified gives 61/12
- So, 35/20 + 90/27 = 61/12
In mixed form: 51/12
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