Add 70/40 and 81/14
1st number: 1 30/40, 2nd number: 5 11/14
70/40 + 81/14 is 211/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 14 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
70/40 = 70 × 7/40 × 7 = 490/280 - Likewise, for the 2nd fraction, since 14 × 20 = 280,
81/14 = 81 × 20/14 × 20 = 1620/280 - Add the two like fractions:
490/280 + 1620/280 = 490 + 1620/280 = 2110/280 - 2110/280 simplified gives 211/28
- So, 70/40 + 81/14 = 211/28
In mixed form: 715/28
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