Subtract 49/40 from 84/45
1st number: 1 39/45, 2nd number: 1 9/40
84/45 - 49/40 is 77/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
84/45 = 84 × 8/45 × 8 = 672/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
49/40 = 49 × 9/40 × 9 = 441/360 - Subtract the two like fractions:
672/360 - 441/360 = 672 - 441/360 = 231/360 - After reducing the fraction, the answer is 77/120
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