Subtract 54/16 from 2/7, Solve 2/7 - 3 6/16 as a fraction

Subtract 54/16 from 2/7

1^st number: 2/7, 2^nd number: 3 6/16

2/7 - 54/16 is -173/56.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112

Next, find the equivalent fraction of both fractional numbers with denominator 112
For the 1st fraction, since 7 × 16 = 112,
2/7 = 2 × 16/7 × 16 = 32/112
Likewise, for the 2nd fraction, since 16 × 7 = 112,
54/16 = 54 × 7/16 × 7 = 378/112
Subtract the two like fractions:
32/112 - 378/112 = 32 - 378/112 = -346/112
After reducing the fraction, the answer is -173/56

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