Add 54/60 and 90/70
1st number: 54/60, 2nd number: 1 20/70
54/60 + 90/70 is 153/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 70 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 70 × 6 = 420,
90/70 = 90 × 6/70 × 6 = 540/420 - Add the two like fractions:
378/420 + 540/420 = 378 + 540/420 = 918/420 - 918/420 simplified gives 153/70
- So, 54/60 + 90/70 = 153/70
In mixed form: 213/70
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