Subtract 1/30 from 70/15
1st number: 4 10/15, 2nd number: 1/30
70/15 - 1/30 is 139/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
70/15 = 70 × 2/15 × 2 = 140/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
1/30 = 1 × 1/30 × 1 = 1/30 - Subtract the two like fractions:
140/30 - 1/30 = 140 - 1/30 = 139/30 - In mixed form: 419/30
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