Add 70/40 and 1/45
1st number: 1 30/40, 2nd number: 1/45
70/40 + 1/45 is 319/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
70/40 = 70 × 9/40 × 9 = 630/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
1/45 = 1 × 8/45 × 8 = 8/360 - Add the two like fractions:
630/360 + 8/360 = 630 + 8/360 = 638/360 - 638/360 simplified gives 319/180
- So, 70/40 + 1/45 = 319/180
In mixed form: 1139/180
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