Add 21/5 and 42/60
1st number: 4 1/5, 2nd number: 42/60
21/5 + 42/60 is 49/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 5 × 12 = 60,
21/5 = 21 × 12/5 × 12 = 252/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
42/60 = 42 × 1/60 × 1 = 42/60 - Add the two like fractions:
252/60 + 42/60 = 252 + 42/60 = 294/60 - 294/60 simplified gives 49/10
- So, 21/5 + 42/60 = 49/10
In mixed form: 49/10
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