Subtract 90/54 from 72/35, Solve 2 2/35

Subtract 90/54 from 72/35

1^st number: 2 2/35, 2^nd number: 1 36/54

72/35 - 90/54 is 41/105.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 54 is 1890

Next, find the equivalent fraction of both fractional numbers with denominator 1890
For the 1st fraction, since 35 × 54 = 1890,
72/35 = 72 × 54/35 × 54 = 3888/1890
Likewise, for the 2nd fraction, since 54 × 35 = 1890,
90/54 = 90 × 35/54 × 35 = 3150/1890
Subtract the two like fractions:
3888/1890 - 3150/1890 = 3888 - 3150/1890 = 738/1890
After reducing the fraction, the answer is 41/105

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