Add 81/70 and 5/75
1st number: 1 11/70, 2nd number: 5/75
81/70 + 5/75 is 257/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 75 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 70 × 15 = 1050,
81/70 = 81 × 15/70 × 15 = 1215/1050 - Likewise, for the 2nd fraction, since 75 × 14 = 1050,
5/75 = 5 × 14/75 × 14 = 70/1050 - Add the two like fractions:
1215/1050 + 70/1050 = 1215 + 70/1050 = 1285/1050 - 1285/1050 simplified gives 257/210
- So, 81/70 + 5/75 = 257/210
In mixed form: 147/210
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