Add 21/90 and 50/54
21/90 + 50/54 is 313/270.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
21/90 = 21 × 3/90 × 3 = 63/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
50/54 = 50 × 5/54 × 5 = 250/270 - Add the two like fractions:
63/270 + 250/270 = 63 + 250/270 = 313/270 - So, 21/90 + 50/54 = 313/270
In mixed form: 143/270
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