Add 42/20 and 63/54
1st number: 2 2/20, 2nd number: 1 9/54
42/20 + 63/54 is 49/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 54 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
42/20 = 42 × 27/20 × 27 = 1134/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
63/54 = 63 × 10/54 × 10 = 630/540 - Add the two like fractions:
1134/540 + 630/540 = 1134 + 630/540 = 1764/540 - 1764/540 simplified gives 49/15
- So, 42/20 + 63/54 = 49/15
In mixed form: 34/15
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