Add 21/54 and 90/48
1st number: 21/54, 2nd number: 1 42/48
21/54 + 90/48 is 163/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 48 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 54 × 8 = 432,
21/54 = 21 × 8/54 × 8 = 168/432 - Likewise, for the 2nd fraction, since 48 × 9 = 432,
90/48 = 90 × 9/48 × 9 = 810/432 - Add the two like fractions:
168/432 + 810/432 = 168 + 810/432 = 978/432 - 978/432 simplified gives 163/72
- So, 21/54 + 90/48 = 163/72
In mixed form: 219/72
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