+37084 For adding and subtracting fractions you MUST have a common denominator (not so when dividing or multiplying)
denominators 10 12 and 3 have a common denomintor of 60
3/10 x 6/6 = 18 /60
3/12 x 5/5 = 15/60
2/3 x 20/20 = 40/60
18/60 + 15/60 + 40/60 = 73/60= 1 13/60
+37084 For adding and subtracting fractions you MUST have a common denominator (not so when dividing or multiplying)
denominators 10 12 and 3 have a common denomintor of 60
3/10 x 6/6 = 18 /60
3/12 x 5/5 = 15/60
2/3 x 20/20 = 40/60
18/60 + 15/60 + 40/60 = 73/60= 1 13/60
