Add 3/27 and 63/70
3/27 + 63/70 is 91/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 70 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 27 × 70 = 1890,
3/27 = 3 × 70/27 × 70 = 210/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
63/70 = 63 × 27/70 × 27 = 1701/1890 - Add the two like fractions:
210/1890 + 1701/1890 = 210 + 1701/1890 = 1911/1890 - 1911/1890 simplified gives 91/90
- So, 3/27 + 63/70 = 91/90
In mixed form: 11/90
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