Subtract 80/56 from 30/90
1st number: 30/90, 2nd number: 1 24/56
30/90 - 80/56 is -23/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 90 × 28 = 2520,
30/90 = 30 × 28/90 × 28 = 840/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
80/56 = 80 × 45/56 × 45 = 3600/2520 - Subtract the two like fractions:
840/2520 - 3600/2520 = 840 - 3600/2520 = -2760/2520 - After reducing the fraction, the answer is -23/21
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Related: 60/90-80/56