bantu pls Soal 1 - 5 catatan: karna Guru saya Gk Ngelajerin pelajaran ini

1) 3 2/7 +1 5/6
= 23/7 + 11/6
= (23/7 x 6/6) + (11/6 x7/7)
= 138/42 + 77/42
= 215/42
= 5 10/42
= 5 5/12
3) 5 3/4 + 1 1/7
= 23/4 + 8/7
= (23/4 x 7/7) + (8/7 x 4/4)
= 161/28 + 32/28
= 193/28
= 6 25/28
5) 2 3/4 + 4 5/8
=11/4 + 37/8
=(11/4 x 6/6) + (37/8 x 3/3)
= 66/24 + 111/24
=177/24
= 7 9/24
7) 5 3/7 – 3 2/5
= 38/7 – 17/5
= (38/7 x 5/5) – (17/5 x 7/7)
= 190/35 – 119/35
= 71/35
= 2 1/35
9) 7 3/4 – 3 5/8
= 31/4 – 29/8
= (31/4 x 6/6) – (29/8 x3/3)
= 186/24 – 87/24
= 99/24
= 4 3/24
maaf ya klo salah