If two fractions have the same denominator, the whole was split into the same number of equal parts. Then you only compare how many parts were taken — the numerators.
For ma and mb:
- if a>b, then ma>mb;
- if a<b, then ma<mb;
- if a=b, the fractions are equal.
On a picture this looks like “more or fewer shaded parts with the same subdivision of the whole”.
Same denominator → compare numerators
Larger numerator — larger fraction
Equal numerators with equal denominators → equal fractions
A drawing is a good check
Compare fractions from the picture
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