Subtract 45/70 from 72/10
1st number: 7 2/10, 2nd number: 45/70
72/10 - 45/70 is 459/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
72/10 = 72 × 7/10 × 7 = 504/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
45/70 = 45 × 1/70 × 1 = 45/70 - Subtract the two like fractions:
504/70 - 45/70 = 504 - 45/70 = 459/70 - In mixed form: 639/70
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