Add 20/54 and 72/70
1st number: 20/54, 2nd number: 1 2/70
20/54 + 72/70 is 1322/945.
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,
20/54 = 20 × 35/54 × 35 = 700/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
72/70 = 72 × 27/70 × 27 = 1944/1890 - Add the two like fractions:
700/1890 + 1944/1890 = 700 + 1944/1890 = 2644/1890 - 2644/1890 simplified gives 1322/945
- So, 20/54 + 72/70 = 1322/945
In mixed form: 1377/945
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