Add 54/20 and 48/7
1st number: 2 14/20, 2nd number: 6 6/7
54/20 + 48/7 is 669/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 7 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
54/20 = 54 × 7/20 × 7 = 378/140 - Likewise, for the 2nd fraction, since 7 × 20 = 140,
48/7 = 48 × 20/7 × 20 = 960/140 - Add the two like fractions:
378/140 + 960/140 = 378 + 960/140 = 1338/140 - 1338/140 simplified gives 669/70
- So, 54/20 + 48/7 = 669/70
In mixed form: 939/70
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