Add 40/28 and 70/49
1st number: 1 12/28, 2nd number: 1 21/49
40/28 + 70/49 is 20/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 49 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 28 × 7 = 196,
40/28 = 40 × 7/28 × 7 = 280/196 - Likewise, for the 2nd fraction, since 49 × 4 = 196,
70/49 = 70 × 4/49 × 4 = 280/196 - Add the two like fractions:
280/196 + 280/196 = 280 + 280/196 = 560/196 - 560/196 simplified gives 20/7
- So, 40/28 + 70/49 = 20/7
In mixed form: 26/7
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