Add 27/70 and 42/27
1st number: 27/70, 2nd number: 1 15/27
27/70 + 42/27 is 1223/630.
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,
27/70 = 27 × 27/70 × 27 = 729/1890 - Likewise, for the 2nd fraction, since 27 × 70 = 1890,
42/27 = 42 × 70/27 × 70 = 2940/1890 - Add the two like fractions:
729/1890 + 2940/1890 = 729 + 2940/1890 = 3669/1890 - 3669/1890 simplified gives 1223/630
- So, 27/70 + 42/27 = 1223/630
In mixed form: 1593/630
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