Add 7/40 and 84/70
1st number: 7/40, 2nd number: 1 14/70
7/40 + 84/70 is 11/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
7/40 = 7 × 7/40 × 7 = 49/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
84/70 = 84 × 4/70 × 4 = 336/280 - Add the two like fractions:
49/280 + 336/280 = 49 + 336/280 = 385/280 - 385/280 simplified gives 11/8
- So, 7/40 + 84/70 = 11/8
In mixed form: 13/8
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