Add 18/35 and 42/60
18/35 + 42/60 is 17/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
18/35 = 18 × 12/35 × 12 = 216/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
42/60 = 42 × 7/60 × 7 = 294/420 - Add the two like fractions:
216/420 + 294/420 = 216 + 294/420 = 510/420 - 510/420 simplified gives 17/14
- So, 18/35 + 42/60 = 17/14
In mixed form: 13/14
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