Add 42/60 and 54/42
1st number: 42/60, 2nd number: 1 12/42
42/60 + 54/42 is 139/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
42/60 = 42 × 7/60 × 7 = 294/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
54/42 = 54 × 10/42 × 10 = 540/420 - Add the two like fractions:
294/420 + 540/420 = 294 + 540/420 = 834/420 - 834/420 simplified gives 139/70
- So, 42/60 + 54/42 = 139/70
In mixed form: 169/70
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