Add 4/40 and 84/7
1st number: 4/40, 2nd number: 12 0/7
4/40 + 84/7 is 121/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 7 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
4/40 = 4 × 7/40 × 7 = 28/280 - Likewise, for the 2nd fraction, since 7 × 40 = 280,
84/7 = 84 × 40/7 × 40 = 3360/280 - Add the two like fractions:
28/280 + 3360/280 = 28 + 3360/280 = 3388/280 - 3388/280 simplified gives 121/10
- So, 4/40 + 84/7 = 121/10
In mixed form: 121/10
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