Add 42/70 and 28/27
1st number: 42/70, 2nd number: 1 1/27
42/70 + 28/27 is 221/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 27 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 70 × 27 = 1890,
42/70 = 42 × 27/70 × 27 = 1134/1890 - Likewise, for the 2nd fraction, since 27 × 70 = 1890,
28/27 = 28 × 70/27 × 70 = 1960/1890 - Add the two like fractions:
1134/1890 + 1960/1890 = 1134 + 1960/1890 = 3094/1890 - 3094/1890 simplified gives 221/135
- So, 42/70 + 28/27 = 221/135
In mixed form: 186/135
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