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add or abstract each fraction by changing its first to similar fraction


Sagot :

Answer:

WHEN ADDING AND SUBTRACTING FRACTIONS,THE FIRST THING TO CHECK IS IF THE DENOMINATORS ARE THE SAME.IF THE DENOMINATORS ARE THE SAME,THEN IT'S PRETTY EASY:JUST ADD OR SUBTRACT THE NUMERATORS,AND WRITE THE RESULT OVER THE SAME DENOMINATOR.