Subtract 16/42 from 63/40
1st number: 1 23/40, 2nd number: 16/42
63/40 - 16/42 is 1003/840.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 42 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 40 × 21 = 840,
63/40 = 63 × 21/40 × 21 = 1323/840 - Likewise, for the 2nd fraction, since 42 × 20 = 840,
16/42 = 16 × 20/42 × 20 = 320/840 - Subtract the two like fractions:
1323/840 - 320/840 = 1323 - 320/840 = 1003/840 - In mixed form: 1163/840
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