Subtract 42/45 from 72/49
1st number: 1 23/49, 2nd number: 42/45
72/49 - 42/45 is 394/735.
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,
72/49 = 72 × 45/49 × 45 = 3240/2205 - Likewise, for the 2nd fraction, since 45 × 49 = 2205,
42/45 = 42 × 49/45 × 49 = 2058/2205 - Subtract the two like fractions:
3240/2205 - 2058/2205 = 3240 - 2058/2205 = 1182/2205 - After reducing the fraction, the answer is 394/735
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