Add 81/54 and 12/70
1st number: 1 27/54, 2nd number: 12/70
81/54 + 12/70 is 117/70.
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,
81/54 = 81 × 35/54 × 35 = 2835/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
12/70 = 12 × 27/70 × 27 = 324/1890 - Add the two like fractions:
2835/1890 + 324/1890 = 2835 + 324/1890 = 3159/1890 - 3159/1890 simplified gives 117/70
- So, 81/54 + 12/70 = 117/70
In mixed form: 147/70
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