Add 28/54 and 45/70
28/54 + 45/70 is 439/378.
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,
28/54 = 28 × 35/54 × 35 = 980/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
45/70 = 45 × 27/70 × 27 = 1215/1890 - Add the two like fractions:
980/1890 + 1215/1890 = 980 + 1215/1890 = 2195/1890 - 2195/1890 simplified gives 439/378
- So, 28/54 + 45/70 = 439/378
In mixed form: 161/378
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