Add 70/40 and 12/7
1st number: 1 30/40, 2nd number: 1 5/7
70/40 + 12/7 is 97/28.
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,
70/40 = 70 × 7/40 × 7 = 490/280 - Likewise, for the 2nd fraction, since 7 × 40 = 280,
12/7 = 12 × 40/7 × 40 = 480/280 - Add the two like fractions:
490/280 + 480/280 = 490 + 480/280 = 970/280 - 970/280 simplified gives 97/28
- So, 70/40 + 12/7 = 97/28
In mixed form: 313/28
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