Add 18/54 and 42/70
18/54 + 42/70 is 14/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 70 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 54 × 35 = 1890,
18/54 = 18 × 35/54 × 35 = 630/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
42/70 = 42 × 27/70 × 27 = 1134/1890 - Add the two like fractions:
630/1890 + 1134/1890 = 630 + 1134/1890 = 1764/1890 - 1764/1890 simplified gives 14/15
- So, 18/54 + 42/70 = 14/15
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