Add 42/84 and 54/35
1st number: 42/84, 2nd number: 1 19/35
42/84 + 54/35 is 143/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
42/84 = 42 × 5/84 × 5 = 210/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
54/35 = 54 × 12/35 × 12 = 648/420 - Add the two like fractions:
210/420 + 648/420 = 210 + 648/420 = 858/420 - 858/420 simplified gives 143/70
- So, 42/84 + 54/35 = 143/70
In mixed form: 23/70
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Related: 42/84+54/70