Answer:
1 . 19/12 or 1 7/12
2. 1/40
3. 23/28
4. 7/30
5. 1/4
Step-by-step explanation:
1. ⅚ + ¾
= 20/24 + 18/24 (find the common denominator and add)
= 38/24 (divide both by 2)
=19/12 or 1 7/12
2. ⅖ - ⅜
= 16/40 - 15/ 40 (find the common denominator then subtract)
= 1/40
3. 4/7 + ¼
= 16/28 + 7/28 (find the common denominator then add)
= 23/28
4. ⅚ - ⅗
= 25/30 - 18/30 (find the common denominator then subtract)
= 7/30
5. ¾ - 2/4
= 1/4 (just subtract)
