Add 45/40 and 70/49
1st number: 1 5/40, 2nd number: 1 21/49
45/40 + 70/49 is 143/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 49 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 40 × 49 = 1960,
45/40 = 45 × 49/40 × 49 = 2205/1960 - Likewise, for the 2nd fraction, since 49 × 40 = 1960,
70/49 = 70 × 40/49 × 40 = 2800/1960 - Add the two like fractions:
2205/1960 + 2800/1960 = 2205 + 2800/1960 = 5005/1960 - 5005/1960 simplified gives 143/56
- So, 45/40 + 70/49 = 143/56
In mixed form: 231/56
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