Add 21/60 and 72/24
1st number: 21/60, 2nd number: 3 0/24
21/60 + 72/24 is 67/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
21/60 = 21 × 2/60 × 2 = 42/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
72/24 = 72 × 5/24 × 5 = 360/120 - Add the two like fractions:
42/120 + 360/120 = 42 + 360/120 = 402/120 - 402/120 simplified gives 67/20
- So, 21/60 + 72/24 = 67/20
In mixed form: 37/20
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