Subtract 18/70 from 15/8
1st number: 1 7/8, 2nd number: 18/70
15/8 - 18/70 is 453/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 8 × 35 = 280,
15/8 = 15 × 35/8 × 35 = 525/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
18/70 = 18 × 4/70 × 4 = 72/280 - Subtract the two like fractions:
525/280 - 72/280 = 525 - 72/280 = 453/280 - In mixed form: 1173/280
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