Add 20/35 and 42/48
20/35 + 42/48 is 81/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 48 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 35 × 48 = 1680,
20/35 = 20 × 48/35 × 48 = 960/1680 - Likewise, for the 2nd fraction, since 48 × 35 = 1680,
42/48 = 42 × 35/48 × 35 = 1470/1680 - Add the two like fractions:
960/1680 + 1470/1680 = 960 + 1470/1680 = 2430/1680 - 2430/1680 simplified gives 81/56
- So, 20/35 + 42/48 = 81/56
In mixed form: 125/56
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