Subtract 15/50 from 90/63
1st number: 1 27/63, 2nd number: 15/50
90/63 - 15/50 is 79/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 50 is 3150
Next, find the equivalent fraction of both fractional numbers with denominator 3150 - For the 1st fraction, since 63 × 50 = 3150,
90/63 = 90 × 50/63 × 50 = 4500/3150 - Likewise, for the 2nd fraction, since 50 × 63 = 3150,
15/50 = 15 × 63/50 × 63 = 945/3150 - Subtract the two like fractions:
4500/3150 - 945/3150 = 4500 - 945/3150 = 3555/3150 - After reducing the fraction, the answer is 79/70
- In mixed form: 19/70
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