Add 70/40 and 30/28
1st number: 1 30/40, 2nd number: 1 2/28
70/40 + 30/28 is 79/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 28 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 28 × 10 = 280,
30/28 = 30 × 10/28 × 10 = 300/280 - Add the two like fractions:
490/280 + 300/280 = 490 + 300/280 = 790/280 - 790/280 simplified gives 79/28
- So, 70/40 + 30/28 = 79/28
In mixed form: 223/28
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