Add 21/72 and 98/54
1st number: 21/72, 2nd number: 1 44/54
21/72 + 98/54 is 455/216.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 72 × 3 = 216,
21/72 = 21 × 3/72 × 3 = 63/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
98/54 = 98 × 4/54 × 4 = 392/216 - Add the two like fractions:
63/216 + 392/216 = 63 + 392/216 = 455/216 - So, 21/72 + 98/54 = 455/216
In mixed form: 223/216
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