Add 60/70 and 45/54
60/70 + 45/54 is 71/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 54 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 70 × 27 = 1890,
60/70 = 60 × 27/70 × 27 = 1620/1890 - Likewise, for the 2nd fraction, since 54 × 35 = 1890,
45/54 = 45 × 35/54 × 35 = 1575/1890 - Add the two like fractions:
1620/1890 + 1575/1890 = 1620 + 1575/1890 = 3195/1890 - 3195/1890 simplified gives 71/42
- So, 60/70 + 45/54 = 71/42
In mixed form: 129/42
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Related: 60/70+90/54