Add 70/90 and 49/40
1st number: 70/90, 2nd number: 1 9/40
70/90 + 49/40 is 721/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
70/90 = 70 × 4/90 × 4 = 280/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
49/40 = 49 × 9/40 × 9 = 441/360 - Add the two like fractions:
280/360 + 441/360 = 280 + 441/360 = 721/360 - So, 70/90 + 49/40 = 721/360
In mixed form: 21/360
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