Subtract 90/48 from 28/70
1st number: 28/70, 2nd number: 1 42/48
28/70 - 90/48 is -59/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 48 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 70 × 24 = 1680,
28/70 = 28 × 24/70 × 24 = 672/1680 - Likewise, for the 2nd fraction, since 48 × 35 = 1680,
90/48 = 90 × 35/48 × 35 = 3150/1680 - Subtract the two like fractions:
672/1680 - 3150/1680 = 672 - 3150/1680 = -2478/1680 - After reducing the fraction, the answer is -59/40
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