Add 12/70 and 90/27
1st number: 12/70, 2nd number: 3 9/27
12/70 + 90/27 is 368/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 27 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 70 × 27 = 1890,
12/70 = 12 × 27/70 × 27 = 324/1890 - Likewise, for the 2nd fraction, since 27 × 70 = 1890,
90/27 = 90 × 70/27 × 70 = 6300/1890 - Add the two like fractions:
324/1890 + 6300/1890 = 324 + 6300/1890 = 6624/1890 - 6624/1890 simplified gives 368/105
- So, 12/70 + 90/27 = 368/105
In mixed form: 353/105
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