Subtract 45/21 from 98/9
1st number: 10 8/9, 2nd number: 2 3/21
98/9 - 45/21 is 551/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 21 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
98/9 = 98 × 7/9 × 7 = 686/63 - Likewise, for the 2nd fraction, since 21 × 3 = 63,
45/21 = 45 × 3/21 × 3 = 135/63 - Subtract the two like fractions:
686/63 - 135/63 = 686 - 135/63 = 551/63 - In mixed form: 847/63
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