Add 25/60 and 45/84
25/60 + 45/84 is 20/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
25/60 = 25 × 7/60 × 7 = 175/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
45/84 = 45 × 5/84 × 5 = 225/420 - Add the two like fractions:
175/420 + 225/420 = 175 + 225/420 = 400/420 - 400/420 simplified gives 20/21
- So, 25/60 + 45/84 = 20/21
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