Sagot :
Answer:
1. 3 1/6 × 2 1/2
3×6+1/6 × 2×2+1/2
19/6 × 5/2
= 95/12 or 7 11/12
2. 3 3/5 × 1/8
3×5+3/5 × 1/8
18/5 × 1/8
18/40 ÷ 2/2
= 9/20
3. 4/5 × 5 3/4
4/5 × 5×4+3/4
4/5 × 23/4
92/20 ÷ 4/4
= 23/5 or 4 3/5
4. 4/8 × 2 3/4 = N
4/8 × 2×4+3/4 = N
4/8 × 11/4 = N
44/32 = N
44/32 ÷ 4/4 = N
11/8 or 1 3/8 = N
5. 2 3/5 × 7/9
2×5+3/5 × 7/9
13/5 × 7/9