Subtract 81/70 from 25/9
1st number: 2 7/9, 2nd number: 1 11/70
25/9 - 81/70 is 1021/630.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 9 × 70 = 630,
25/9 = 25 × 70/9 × 70 = 1750/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
81/70 = 81 × 9/70 × 9 = 729/630 - Subtract the two like fractions:
1750/630 - 729/630 = 1750 - 729/630 = 1021/630 - In mixed form: 1391/630
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