Add 21/35 and 90/54
1st number: 21/35, 2nd number: 1 36/54
21/35 + 90/54 is 34/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 54 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 35 × 54 = 1890,
21/35 = 21 × 54/35 × 54 = 1134/1890 - Likewise, for the 2nd fraction, since 54 × 35 = 1890,
90/54 = 90 × 35/54 × 35 = 3150/1890 - Add the two like fractions:
1134/1890 + 3150/1890 = 1134 + 3150/1890 = 4284/1890 - 4284/1890 simplified gives 34/15
- So, 21/35 + 90/54 = 34/15
In mixed form: 24/15
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