Answer:
1 1/4
Explanation:
3 1/8 - 1 7/8
I like to line them up vertically
3 1/8
- 1 7/8
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We need to borrow from the 3
Take 1 from the 3 and make it 8/8
2 (1/8+8/8)
- 1 (7/8)
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2 (9/8)
- 1 (7/8)
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1 2/8
Simplify the fraction by dividing by 2 on the top and bottom
1 1/4