Subtract 1/40 from 84/63
1st number: 1 21/63, 2nd number: 1/40
84/63 - 1/40 is 157/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 40 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 63 × 40 = 2520,
84/63 = 84 × 40/63 × 40 = 3360/2520 - Likewise, for the 2nd fraction, since 40 × 63 = 2520,
1/40 = 1 × 63/40 × 63 = 63/2520 - Subtract the two like fractions:
3360/2520 - 63/2520 = 3360 - 63/2520 = 3297/2520 - After reducing the fraction, the answer is 157/120
- In mixed form: 137/120
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