Subtract 49/45 from 21/49
1st number: 21/49, 2nd number: 1 4/45
21/49 - 49/45 is -208/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 45 is 2205
Next, find the equivalent fraction of both fractional numbers with denominator 2205 - For the 1st fraction, since 49 × 45 = 2205,
21/49 = 21 × 45/49 × 45 = 945/2205 - Likewise, for the 2nd fraction, since 45 × 49 = 2205,
49/45 = 49 × 49/45 × 49 = 2401/2205 - Subtract the two like fractions:
945/2205 - 2401/2205 = 945 - 2401/2205 = -1456/2205 - After reducing the fraction, the answer is -208/315
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