Subtract 20/7 from 90/16
1st number: 5 10/16, 2nd number: 2 6/7
90/16 - 20/7 is 155/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 7 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 16 × 7 = 112,
90/16 = 90 × 7/16 × 7 = 630/112 - Likewise, for the 2nd fraction, since 7 × 16 = 112,
20/7 = 20 × 16/7 × 16 = 320/112 - Subtract the two like fractions:
630/112 - 320/112 = 630 - 320/112 = 310/112 - After reducing the fraction, the answer is 155/56
- In mixed form: 243/56
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