Add 90/70 and 15/32
1st number: 1 20/70, 2nd number: 15/32
90/70 + 15/32 is 393/224.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 32 is 1120
Next, find the equivalent fraction of both fractional numbers with denominator 1120 - For the 1st fraction, since 70 × 16 = 1120,
90/70 = 90 × 16/70 × 16 = 1440/1120 - Likewise, for the 2nd fraction, since 32 × 35 = 1120,
15/32 = 15 × 35/32 × 35 = 525/1120 - Add the two like fractions:
1440/1120 + 525/1120 = 1440 + 525/1120 = 1965/1120 - 1965/1120 simplified gives 393/224
- So, 90/70 + 15/32 = 393/224
In mixed form: 1169/224
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