Subtract 80/35 from 50/72, Solve 50/72

Subtract 80/35 from 50/72

1^st number: 50/72, 2^nd number: 2 10/35

50/72 - 80/35 is -401/252.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 35 is 2520

Next, find the equivalent fraction of both fractional numbers with denominator 2520
For the 1st fraction, since 72 × 35 = 2520,
50/72 = 50 × 35/72 × 35 = 1750/2520
Likewise, for the 2nd fraction, since 35 × 72 = 2520,
80/35 = 80 × 72/35 × 72 = 5760/2520
Subtract the two like fractions:
1750/2520 - 5760/2520 = 1750 - 5760/2520 = -4010/2520
After reducing the fraction, the answer is -401/252

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