Add 54/60 and 18/35
54/60 + 18/35 is 99/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
54/60 = 54 × 7/60 × 7 = 378/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
18/35 = 18 × 12/35 × 12 = 216/420 - Add the two like fractions:
378/420 + 216/420 = 378 + 216/420 = 594/420 - 594/420 simplified gives 99/70
- So, 54/60 + 18/35 = 99/70
In mixed form: 129/70
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