Yes - they both equal 1/7 in simplest form.
equivalent fractions of 3/21 = 6/42, 9/63, 12/84,...
Two equivalent fractions for 21/35 are: 42/70, 3/5.
9/21 & 3/7
1 over 7 is the equivalent to 3 over 21.
1/7 is one of the infinite number of fractions equivalent to 6/42. Others are 2/14, 3/21, 4/28, and so on.
1/2, 3/6, 2/4 and so on.
18/42 = 3/7
42/126 = 21/63 = 7/21 = 1/3
3/7
2/6, 7/21, 1/3, 28/84, etc, etc, ETC.
Yes, they are equivalent. They simplify to 3 over 14.
2/3 + 24/7 = 86/21 or 42/21