Subtract 63/12 from 70/45
1st number: 1 25/45, 2nd number: 5 3/12
70/45 - 63/12 is -133/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
70/45 = 70 × 4/45 × 4 = 280/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
63/12 = 63 × 15/12 × 15 = 945/180 - Subtract the two like fractions:
280/180 - 945/180 = 280 - 945/180 = -665/180 - After reducing the fraction, the answer is -133/36
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