Add 15/42 and 2/20
15/42 + 2/20 is 16/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 20 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 42 × 10 = 420,
15/42 = 15 × 10/42 × 10 = 150/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
2/20 = 2 × 21/20 × 21 = 42/420 - Add the two like fractions:
150/420 + 42/420 = 150 + 42/420 = 192/420 - 192/420 simplified gives 16/35
- So, 15/42 + 2/20 = 16/35
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