Add 42/54 and 49/70
42/54 + 49/70 is 133/90.
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,
42/54 = 42 × 35/54 × 35 = 1470/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
49/70 = 49 × 27/70 × 27 = 1323/1890 - Add the two like fractions:
1470/1890 + 1323/1890 = 1470 + 1323/1890 = 2793/1890 - 2793/1890 simplified gives 133/90
- So, 42/54 + 49/70 = 133/90
In mixed form: 143/90
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