First, find a common multiple of 7 and 12, so 84. then, multiply the 6by twelve (72) and the 9 by 7 (63)then add the numerators (135) and put that over your denominator (135/84) or (1 51/84)
First, find a common multiple of 7 and 12, so 84. then, multiply the 6by twelve (72) and the 9 by 7 (63)then add the numerators (135) and put that over your denominator (135/84) or (1 51/84)
