Add 12/70 and 72/54
1st number: 12/70, 2nd number: 1 18/54
12/70 + 72/54 is 158/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 54 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 54 × 35 = 1890,
72/54 = 72 × 35/54 × 35 = 2520/1890 - Add the two like fractions:
324/1890 + 2520/1890 = 324 + 2520/1890 = 2844/1890 - 2844/1890 simplified gives 158/105
- So, 12/70 + 72/54 = 158/105
In mixed form: 153/105
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