Solutions by everydaycalculation.com
1st number: 4 5/10, 2nd number: 7 5/10
4510 + 7510 is 121.
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Related: 90/10+75/10 45/20+75/10 45/10+75/20 45/30+75/10 45/10+75/30 45/50+75/10 45/10+75/50 45/70+75/10 45/10+75/70
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