1.lcd:6

2.lcd:21

3.lcd:36

4.lcd:24

5.lcd:30

fractions with common denominator:

1.⅚+2/6

2.5/21–3/21

3.4/36+5/36

4.7/24–5/24

5.2/30+9/30

sum/difference:

1.7/6 or 1⅙

2.2/21

3.9/36 or ¾

4.2/24 or 1/12

5.11/30

pamark_as_brainliest po..huhu thnks