Subtract 28/30 from 56/21
1st number: 2 14/21, 2nd number: 28/30
56/21 - 28/30 is 26/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
56/21 = 56 × 10/21 × 10 = 560/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
28/30 = 28 × 7/30 × 7 = 196/210 - Subtract the two like fractions:
560/210 - 196/210 = 560 - 196/210 = 364/210 - After reducing the fraction, the answer is 26/15
- In mixed form: 111/15
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