Shikha ate two fifth of a cake and anandi ate one fourth of the same cake what part of the cake was left
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Answer:
7/20
Step-by-step explanation:
shikha ate 2/5 of the cake
anandhi ate 1 /4 of the cake
the total part of the cake is 1
therefore, 2/5 + 1/4 - 1
LCM of 5 , 4 is 20
= 2 / 5 × 4/4 +1 /4× 5/5 -1
= 8/20+5/20 -1
=8/20 + 5/20 - 1/1 ×20/20
=[8/20+5/20]- 20/20
=13/20-20/20
=7/20
the left part of the cake is 7/20
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