Add 70/10 and 21/40
1st number: 7 0/10, 2nd number: 21/40
70/10 + 21/40 is 301/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
70/10 = 70 × 4/10 × 4 = 280/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
21/40 = 21 × 1/40 × 1 = 21/40 - Add the two like fractions:
280/40 + 21/40 = 280 + 21/40 = 301/40 - So, 70/10 + 21/40 = 301/40
In mixed form: 721/40
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