Add 9/70 and 21/27
9/70 + 21/27 is 571/630.
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,
9/70 = 9 × 27/70 × 27 = 243/1890 - Likewise, for the 2nd fraction, since 27 × 70 = 1890,
21/27 = 21 × 70/27 × 70 = 1470/1890 - Add the two like fractions:
243/1890 + 1470/1890 = 243 + 1470/1890 = 1713/1890 - 1713/1890 simplified gives 571/630
- So, 9/70 + 21/27 = 571/630
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