Add 81/70 and 20/16
1st number: 1 11/70, 2nd number: 1 4/16
81/70 + 20/16 is 337/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 16 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
81/70 = 81 × 8/70 × 8 = 648/560 - Likewise, for the 2nd fraction, since 16 × 35 = 560,
20/16 = 20 × 35/16 × 35 = 700/560 - Add the two like fractions:
648/560 + 700/560 = 648 + 700/560 = 1348/560 - 1348/560 simplified gives 337/140
- So, 81/70 + 20/16 = 337/140
In mixed form: 257/140
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