Subtract 4/90 from 63/2
1st number: 31 1/2, 2nd number: 4/90
63/2 - 4/90 is 2831/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
63/2 = 63 × 45/2 × 45 = 2835/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
4/90 = 4 × 1/90 × 1 = 4/90 - Subtract the two like fractions:
2835/90 - 4/90 = 2835 - 4/90 = 2831/90 - In mixed form: 3141/90
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