Add 98/20 and 42/54
1st number: 4 18/20, 2nd number: 42/54
98/20 + 42/54 is 511/90.
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,
98/20 = 98 × 27/20 × 27 = 2646/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
42/54 = 42 × 10/54 × 10 = 420/540 - Add the two like fractions:
2646/540 + 420/540 = 2646 + 420/540 = 3066/540 - 3066/540 simplified gives 511/90
- So, 98/20 + 42/54 = 511/90
In mixed form: 561/90
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