Add 42/9 and 54/20
1st number: 4 6/9, 2nd number: 2 14/20
42/9 + 54/20 is 221/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
42/9 = 42 × 20/9 × 20 = 840/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
54/20 = 54 × 9/20 × 9 = 486/180 - Add the two like fractions:
840/180 + 486/180 = 840 + 486/180 = 1326/180 - 1326/180 simplified gives 221/30
- So, 42/9 + 54/20 = 221/30
In mixed form: 711/30
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