Add 63/70 and 20/54
63/70 + 20/54 is 343/270.
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,
63/70 = 63 × 27/70 × 27 = 1701/1890 - Likewise, for the 2nd fraction, since 54 × 35 = 1890,
20/54 = 20 × 35/54 × 35 = 700/1890 - Add the two like fractions:
1701/1890 + 700/1890 = 1701 + 700/1890 = 2401/1890 - 2401/1890 simplified gives 343/270
- So, 63/70 + 20/54 = 343/270
In mixed form: 173/270
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