Subtract 21/64 from 40/98
40/98 - 21/64 is 251/3136.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 64 is 3136
Next, find the equivalent fraction of both fractional numbers with denominator 3136 - For the 1st fraction, since 98 × 32 = 3136,
40/98 = 40 × 32/98 × 32 = 1280/3136 - Likewise, for the 2nd fraction, since 64 × 49 = 3136,
21/64 = 21 × 49/64 × 49 = 1029/3136 - Subtract the two like fractions:
1280/3136 - 1029/3136 = 1280 - 1029/3136 = 251/3136
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