Add 9/42 and 9/60
9/42 + 9/60 is 51/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 42 × 10 = 420,
9/42 = 9 × 10/42 × 10 = 90/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
9/60 = 9 × 7/60 × 7 = 63/420 - Add the two like fractions:
90/420 + 63/420 = 90 + 63/420 = 153/420 - 153/420 simplified gives 51/140
- So, 9/42 + 9/60 = 51/140
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