Subtract 96/45 from 7/20, Solve 7/20

Subtract 96/45 from 7/20

1^st number: 7/20, 2^nd number: 2 6/45

7/20 - 96/45 is -107/60.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180

Next, find the equivalent fraction of both fractional numbers with denominator 180
For the 1st fraction, since 20 × 9 = 180,
7/20 = 7 × 9/20 × 9 = 63/180
Likewise, for the 2nd fraction, since 45 × 4 = 180,
96/45 = 96 × 4/45 × 4 = 384/180
Subtract the two like fractions:
63/180 - 384/180 = 63 - 384/180 = -321/180
After reducing the fraction, the answer is -107/60

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