Subtract 50/70 from 80/4
1st number: 20 0/4, 2nd number: 50/70
80/4 - 50/70 is 135/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
80/4 = 80 × 35/4 × 35 = 2800/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
50/70 = 50 × 2/70 × 2 = 100/140 - Subtract the two like fractions:
2800/140 - 100/140 = 2800 - 100/140 = 2700/140 - After reducing the fraction, the answer is 135/7
- In mixed form: 192/7
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