Subtract 48/70 from 90/98
90/98 - 48/70 is 57/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
90/98 = 90 × 5/98 × 5 = 450/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
48/70 = 48 × 7/70 × 7 = 336/490 - Subtract the two like fractions:
450/490 - 336/490 = 450 - 336/490 = 114/490 - After reducing the fraction, the answer is 57/245
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