Reduce the fraction 21/49 to its lowest terms.
Highest common factor = 7
Therefore; we divide the numerator and denominator by 7
= 3/7
To simplify that fraction you can divide the numerator and denominator both by 7 (as whatever you do to the top, you do to the bottom) So 21÷7=3and 49÷7=7so the answer would be 3/7 and that's as much as you can reduce it :)
