Subtract 98/80 from 56/28, Solve 2 0/28

Subtract 98/80 from 56/28

1^st number: 2 0/28, 2^nd number: 1 18/80

56/28 - 98/80 is 31/40.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 80 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 28 × 20 = 560,
56/28 = 56 × 20/28 × 20 = 1120/560
Likewise, for the 2nd fraction, since 80 × 7 = 560,
98/80 = 98 × 7/80 × 7 = 686/560
Subtract the two like fractions:
1120/560 - 686/560 = 1120 - 686/560 = 434/560
After reducing the fraction, the answer is 31/40

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