Add 12/54 and 9/70
12/54 + 9/70 is 221/630.
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,
12/54 = 12 × 35/54 × 35 = 420/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
9/70 = 9 × 27/70 × 27 = 243/1890 - Add the two like fractions:
420/1890 + 243/1890 = 420 + 243/1890 = 663/1890 - 663/1890 simplified gives 221/630
- So, 12/54 + 9/70 = 221/630
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