Subtract 4/30 from 72/70
1st number: 1 2/70, 2nd number: 4/30
72/70 - 4/30 is 94/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
72/70 = 72 × 3/70 × 3 = 216/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
4/30 = 4 × 7/30 × 7 = 28/210 - Subtract the two like fractions:
216/210 - 28/210 = 216 - 28/210 = 188/210 - After reducing the fraction, the answer is 94/105
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