Subtract 4/48 from 90/70
1st number: 1 20/70, 2nd number: 4/48
90/70 - 4/48 is 101/84.
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,
90/70 = 90 × 24/70 × 24 = 2160/1680 - Likewise, for the 2nd fraction, since 48 × 35 = 1680,
4/48 = 4 × 35/48 × 35 = 140/1680 - Subtract the two like fractions:
2160/1680 - 140/1680 = 2160 - 140/1680 = 2020/1680 - After reducing the fraction, the answer is 101/84
- In mixed form: 117/84
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