Subtract 4/21 from 98/70
1st number: 1 28/70, 2nd number: 4/21
98/70 - 4/21 is 127/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
98/70 = 98 × 3/70 × 3 = 294/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
4/21 = 4 × 10/21 × 10 = 40/210 - Subtract the two like fractions:
294/210 - 40/210 = 294 - 40/210 = 254/210 - After reducing the fraction, the answer is 127/105
- In mixed form: 122/105
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