Subtract 72/15 from 30/98
1st number: 30/98, 2nd number: 4 12/15
30/98 - 72/15 is -1101/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 15 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 98 × 15 = 1470,
30/98 = 30 × 15/98 × 15 = 450/1470 - Likewise, for the 2nd fraction, since 15 × 98 = 1470,
72/15 = 72 × 98/15 × 98 = 7056/1470 - Subtract the two like fractions:
450/1470 - 7056/1470 = 450 - 7056/1470 = -6606/1470 - After reducing the fraction, the answer is -1101/245
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