Subtract 81/70 from 70/16, Solve 4 6/16

Subtract 81/70 from 70/16

1^st number: 4 6/16, 2^nd number: 1 11/70

70/16 - 81/70 is 901/280.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 70 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 16 × 35 = 560,
70/16 = 70 × 35/16 × 35 = 2450/560
Likewise, for the 2nd fraction, since 70 × 8 = 560,
81/70 = 81 × 8/70 × 8 = 648/560
Subtract the two like fractions:
2450/560 - 648/560 = 2450 - 648/560 = 1802/560
After reducing the fraction, the answer is 901/280
In mixed form: 361/280

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