Add 60/90 and 21/4
1st number: 60/90, 2nd number: 5 1/4
60/90 + 21/4 is 71/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
60/90 = 60 × 2/90 × 2 = 120/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
21/4 = 21 × 45/4 × 45 = 945/180 - Add the two like fractions:
120/180 + 945/180 = 120 + 945/180 = 1065/180 - 1065/180 simplified gives 71/12
- So, 60/90 + 21/4 = 71/12
In mixed form: 511/12
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