Subtract 30/35 from 80/4
1st number: 20 0/4, 2nd number: 30/35
80/4 - 30/35 is 134/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 35 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 35 × 4 = 140,
30/35 = 30 × 4/35 × 4 = 120/140 - Subtract the two like fractions:
2800/140 - 120/140 = 2800 - 120/140 = 2680/140 - After reducing the fraction, the answer is 134/7
- In mixed form: 191/7
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