Trick Guide

💡 Fractions

Fraction subtract — cross multiply

a/b − c/d = (ad − bc) / (bd)

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🧠 Trick Drill

Steps

  1. Cross multiply: pehla × dusre ka denominator, minus doosra × pehle ka denominator.
  2. Neeche dono denominators ka product (bd).
  3. Simplify agar possible ho.

Worked example

2/5 − 1/3 = ?

(2×3 − 1×5) / (5×3) = (6−5)/15 = 1/15

Answer: 1/15

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