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2+2 is 4, minus one that's 3 not quick maths Fractions: adding and subtracting fractions 2+2 is 4, minus 3 that's 1. quick maths.
2+2 is 4, Minus 3 that's 1. Quick maths. - YouTube
Subtracting fractions minus equals denominator stays numerators Maths quick minus Minus maths