Subtract 7/90 from 90/35
1st number: 2 20/35, 2nd number: 7/90
90/35 - 7/90 is 1571/630.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
90/35 = 90 × 18/35 × 18 = 1620/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
7/90 = 7 × 7/90 × 7 = 49/630 - Subtract the two like fractions:
1620/630 - 49/630 = 1620 - 49/630 = 1571/630 - In mixed form: 2311/630
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