Subtract 20/70 from 63/10
1st number: 6 3/10, 2nd number: 20/70
63/10 - 20/70 is 421/70.
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,
63/10 = 63 × 7/10 × 7 = 441/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
20/70 = 20 × 1/70 × 1 = 20/70 - Subtract the two like fractions:
441/70 - 20/70 = 441 - 20/70 = 421/70 - In mixed form: 61/70
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