Add 20/42 and 36/49
20/42 + 36/49 is 178/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 49 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 42 × 7 = 294,
20/42 = 20 × 7/42 × 7 = 140/294 - Likewise, for the 2nd fraction, since 49 × 6 = 294,
36/49 = 36 × 6/49 × 6 = 216/294 - Add the two like fractions:
140/294 + 216/294 = 140 + 216/294 = 356/294 - 356/294 simplified gives 178/147
- So, 20/42 + 36/49 = 178/147
In mixed form: 131/147
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