Add 49/21 and 18/60
1st number: 2 7/21, 2nd number: 18/60
49/21 + 18/60 is 79/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 21 × 20 = 420,
49/21 = 49 × 20/21 × 20 = 980/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
18/60 = 18 × 7/60 × 7 = 126/420 - Add the two like fractions:
980/420 + 126/420 = 980 + 126/420 = 1106/420 - 1106/420 simplified gives 79/30
- So, 49/21 + 18/60 = 79/30
In mixed form: 219/30
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