Add 21/35 and 90/27
1st number: 21/35, 2nd number: 3 9/27
21/35 + 90/27 is 59/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 27 is 945
Next, find the equivalent fraction of both fractional numbers with denominator 945 - For the 1st fraction, since 35 × 27 = 945,
21/35 = 21 × 27/35 × 27 = 567/945 - Likewise, for the 2nd fraction, since 27 × 35 = 945,
90/27 = 90 × 35/27 × 35 = 3150/945 - Add the two like fractions:
567/945 + 3150/945 = 567 + 3150/945 = 3717/945 - 3717/945 simplified gives 59/15
- So, 21/35 + 90/27 = 59/15
In mixed form: 314/15
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