Step-by-step explanation:
= 12 5/6
= (12 × 6 + 5)/6
= (72 + 5)/6
= 77/6
---
= 9 3/4
= (9 × 4 + 3)/4
= (36 + 3)/4
= 39/4
So:
= 12 5/6 + 9 3/4
= 77/6 + 39/4
= (77 × 4)/(6 × 4) + (39 × 6)/(4 × 6)
= 308/24 + 234/24
= 542/24
= (542 ÷ 2)/(24 ÷ 2)
= 271/12
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Answers & Comments
Step-by-step explanation:
= 12 5/6
= (12 × 6 + 5)/6
= (72 + 5)/6
= 77/6
---
= 9 3/4
= (9 × 4 + 3)/4
= (36 + 3)/4
= 39/4
So:
= 12 5/6 + 9 3/4
= 77/6 + 39/4
= (77 × 4)/(6 × 4) + (39 × 6)/(4 × 6)
= 308/24 + 234/24
= 542/24
= (542 ÷ 2)/(24 ÷ 2)
= 271/12
= 22 7/12 ✓