Subtract 2/45 from 28/7, Solve 4 0/7

Subtract 2/45 from 28/7

1^st number: 4 0/7, 2^nd number: 2/45

28/7 - 2/45 is 178/45.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 7 × 45 = 315,
28/7 = 28 × 45/7 × 45 = 1260/315
Likewise, for the 2nd fraction, since 45 × 7 = 315,
2/45 = 2 × 7/45 × 7 = 14/315
Subtract the two like fractions:
1260/315 - 14/315 = 1260 - 14/315 = 1246/315
After reducing the fraction, the answer is 178/45
In mixed form: 343/45

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