Add 70/5 and 21/40
1st number: 14 0/5, 2nd number: 21/40
70/5 + 21/40 is 581/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
70/5 = 70 × 8/5 × 8 = 560/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
21/40 = 21 × 1/40 × 1 = 21/40 - Add the two like fractions:
560/40 + 21/40 = 560 + 21/40 = 581/40 - So, 70/5 + 21/40 = 581/40
In mixed form: 1421/40
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