Add 90/40 and 4/70
1st number: 2 10/40, 2nd number: 4/70
90/40 + 4/70 is 323/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
90/40 = 90 × 7/40 × 7 = 630/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
4/70 = 4 × 4/70 × 4 = 16/280 - Add the two like fractions:
630/280 + 16/280 = 630 + 16/280 = 646/280 - 646/280 simplified gives 323/140
- So, 90/40 + 4/70 = 323/140
In mixed form: 243/140
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