Add 42/32 and 90/70
1st number: 1 10/32, 2nd number: 1 20/70
42/32 + 90/70 is 291/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 70 is 1120
Next, find the equivalent fraction of both fractional numbers with denominator 1120 - For the 1st fraction, since 32 × 35 = 1120,
42/32 = 42 × 35/32 × 35 = 1470/1120 - Likewise, for the 2nd fraction, since 70 × 16 = 1120,
90/70 = 90 × 16/70 × 16 = 1440/1120 - Add the two like fractions:
1470/1120 + 1440/1120 = 1470 + 1440/1120 = 2910/1120 - 2910/1120 simplified gives 291/112
- So, 42/32 + 90/70 = 291/112
In mixed form: 267/112
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