Add 1/20 and 45/84
1/20 + 45/84 is 41/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
1/20 = 1 × 21/20 × 21 = 21/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
45/84 = 45 × 5/84 × 5 = 225/420 - Add the two like fractions:
21/420 + 225/420 = 21 + 225/420 = 246/420 - 246/420 simplified gives 41/70
- So, 1/20 + 45/84 = 41/70
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