Add 40/7 and 28/30
1st number: 5 5/7, 2nd number: 28/30
40/7 + 28/30 is 698/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 7 × 30 = 210,
40/7 = 40 × 30/7 × 30 = 1200/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
28/30 = 28 × 7/30 × 7 = 196/210 - Add the two like fractions:
1200/210 + 196/210 = 1200 + 196/210 = 1396/210 - 1396/210 simplified gives 698/105
- So, 40/7 + 28/30 = 698/105
In mixed form: 668/105
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