Subtract 7/45 from 50/30, Solve 1 20/30

Subtract 7/45 from 50/30

1^st number: 1 20/30, 2^nd number: 7/45

50/30 - 7/45 is 68/45.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 45 is 90

Next, find the equivalent fraction of both fractional numbers with denominator 90
For the 1st fraction, since 30 × 3 = 90,
50/30 = 50 × 3/30 × 3 = 150/90
Likewise, for the 2nd fraction, since 45 × 2 = 90,
7/45 = 7 × 2/45 × 2 = 14/90
Subtract the two like fractions:
150/90 - 14/90 = 150 - 14/90 = 136/90
After reducing the fraction, the answer is 68/45
In mixed form: 123/45

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