Subtract 16/72 from 30/7, Solve 4 2/7

Subtract 16/72 from 30/7

1^st number: 4 2/7, 2^nd number: 16/72

30/7 - 16/72 is 256/63.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 72 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 7 × 72 = 504,
30/7 = 30 × 72/7 × 72 = 2160/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
16/72 = 16 × 7/72 × 7 = 112/504
Subtract the two like fractions:
2160/504 - 112/504 = 2160 - 112/504 = 2048/504
After reducing the fraction, the answer is 256/63
In mixed form: 44/63

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