Add 90/70 and 7/54
1st number: 1 20/70, 2nd number: 7/54
90/70 + 7/54 is 535/378.
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,
90/70 = 90 × 27/70 × 27 = 2430/1890 - Likewise, for the 2nd fraction, since 54 × 35 = 1890,
7/54 = 7 × 35/54 × 35 = 245/1890 - Add the two like fractions:
2430/1890 + 245/1890 = 2430 + 245/1890 = 2675/1890 - 2675/1890 simplified gives 535/378
- So, 90/70 + 7/54 = 535/378
In mixed form: 1157/378
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