1 3 5 2
- + - + -- + -
9 7 21 3
7 + 27 + 15 + 42
= ----------------
63
= 91/63 = 1-28/63 = 1-4/9 _Ans._
In adding mixed numbers, first add the whole numbers, then the
fractions, finally adding the two results.
EXAMPLE 2: Add together 3-1/8 + 7/24 + 7-11/15 + 4-3/20. Given
expression:
1 7 11 3
= 3 + 7 + 4 + - + -- + -- + --
8 24 15 20
15 + 35 + 88 + 18
= 14 + -----------------
120
156 36 3
= 14 + --- = 14 + 1--- = 15-- _Ans._
120 120 10