Subtract 4/45 from 15/21
1521 - 445 is 197315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 21 × 15 = 315,
1521 = 15 × 1521 × 15 = 225315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
445 = 4 × 745 × 7 = 28315 - Subtract the two like fractions:
225315 - 28315 = 225 - 28315 = 197315
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