Subtract 49/40 from 90/3
1st number: 30 0/3, 2nd number: 1 9/40
90/3 - 49/40 is 1151/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,
90/3 = 90 × 40/3 × 40 = 3600/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
49/40 = 49 × 3/40 × 3 = 147/120 - Subtract the two like fractions:
3600/120 - 147/120 = 3600 - 147/120 = 3453/120 - After reducing the fraction, the answer is 1151/40
- In mixed form: 2831/40
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