Subtract 4/20 from 49/45, Solve 1 4/45

Subtract 4/20 from 49/45

1^st number: 1 4/45, 2^nd number: 4/20

49/45 - 4/20 is 8/9.

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

Next, find the equivalent fraction of both fractional numbers with denominator 180
For the 1st fraction, since 45 × 4 = 180,
49/45 = 49 × 4/45 × 4 = 196/180
Likewise, for the 2nd fraction, since 20 × 9 = 180,
4/20 = 4 × 9/20 × 9 = 36/180
Subtract the two like fractions:
196/180 - 36/180 = 196 - 36/180 = 160/180
After reducing the fraction, the answer is 8/9

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