Subtract 72/5 from 42/98
1st number: 42/98, 2nd number: 14 2/5
42/98 - 72/5 is -489/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 5 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
42/98 = 42 × 5/98 × 5 = 210/490 - Likewise, for the 2nd fraction, since 5 × 98 = 490,
72/5 = 72 × 98/5 × 98 = 7056/490 - Subtract the two like fractions:
210/490 - 7056/490 = 210 - 7056/490 = -6846/490 - After reducing the fraction, the answer is -489/35
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