Subtract: 2 5/8 -7/8, reduced to lowest terms =
A.
1 3/4
B.
1 6/8
C.
1 1/4
D.
1 5/8
To subtract 258−782 \frac{5}{8} – \frac{7}{8}285−87, follow these steps:
- Convert the mixed number to an improper fraction:258=2×8+58=16+58=2182 \frac{5}{8} = \frac{2 \times 8 + 5}{8} = \frac{16 + 5}{8} = \frac{21}{8}285=82×8+5=816+5=821
- Subtract the fractions:218−78=21−78=148\frac{21}{8} – \frac{7}{8} = \frac{21 – 7}{8} = \frac{14}{8}821−87=821−7=814
- Simplify the result:148=74=134\frac{14}{8} = \frac{7}{4} = 1 \frac{3}{4}814=47=143
Correct answer: A. 1341 \frac{3}{4}143