Add 90/2 and 21/60
1st number: 45 0/2, 2nd number: 21/60
90/2 + 21/60 is 907/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 2 × 30 = 60,
90/2 = 90 × 30/2 × 30 = 2700/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
21/60 = 21 × 1/60 × 1 = 21/60 - Add the two like fractions:
2700/60 + 21/60 = 2700 + 21/60 = 2721/60 - 2721/60 simplified gives 907/20
- So, 90/2 + 21/60 = 907/20
In mixed form: 457/20
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