Add 4/54 and 15/70
4/54 + 15/70 is 109/378.
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,
4/54 = 4 × 35/54 × 35 = 140/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
15/70 = 15 × 27/70 × 27 = 405/1890 - Add the two like fractions:
140/1890 + 405/1890 = 140 + 405/1890 = 545/1890 - 545/1890 simplified gives 109/378
- So, 4/54 + 15/70 = 109/378
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