Add 56/54 and 90/70
1st number: 1 2/54, 2nd number: 1 20/70
56/54 + 90/70 is 439/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 70 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 54 × 35 = 1890,
56/54 = 56 × 35/54 × 35 = 1960/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
90/70 = 90 × 27/70 × 27 = 2430/1890 - Add the two like fractions:
1960/1890 + 2430/1890 = 1960 + 2430/1890 = 4390/1890 - 4390/1890 simplified gives 439/189
- So, 56/54 + 90/70 = 439/189
In mixed form: 261/189
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