Subtract 20/48 from 42/9
1st number: 4 6/9, 2nd number: 20/48
42/9 - 20/48 is 17/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 9 × 16 = 144,
42/9 = 42 × 16/9 × 16 = 672/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
20/48 = 20 × 3/48 × 3 = 60/144 - Subtract the two like fractions:
672/144 - 60/144 = 672 - 60/144 = 612/144 - After reducing the fraction, the answer is 17/4
- In mixed form: 41/4
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