Subtract 4/21 from 49/45
1st number: 1 4/45, 2nd number: 4/21
49/45 - 4/21 is 283/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 21 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
49/45 = 49 × 7/45 × 7 = 343/315 - Likewise, for the 2nd fraction, since 21 × 15 = 315,
4/21 = 4 × 15/21 × 15 = 60/315 - Subtract the two like fractions:
343/315 - 60/315 = 343 - 60/315 = 283/315
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