Add 5/54 and 90/70
1st number: 5/54, 2nd number: 1 20/70
5/54 + 90/70 is 521/378.
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,
5/54 = 5 × 35/54 × 35 = 175/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
90/70 = 90 × 27/70 × 27 = 2430/1890 - Add the two like fractions:
175/1890 + 2430/1890 = 175 + 2430/1890 = 2605/1890 - 2605/1890 simplified gives 521/378
- So, 5/54 + 90/70 = 521/378
In mixed form: 1143/378
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