Add 7/54 and 63/70
7/54 + 63/70 is 139/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 70 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 54 × 35 = 1890,
7/54 = 7 × 35/54 × 35 = 245/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
63/70 = 63 × 27/70 × 27 = 1701/1890 - Add the two like fractions:
245/1890 + 1701/1890 = 245 + 1701/1890 = 1946/1890 - 1946/1890 simplified gives 139/135
- So, 7/54 + 63/70 = 139/135
In mixed form: 14/135
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