Add 70/90 and 45/32
1st number: 70/90, 2nd number: 1 13/32
70/90 + 45/32 is 629/288.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 32 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 90 × 16 = 1440,
70/90 = 70 × 16/90 × 16 = 1120/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
45/32 = 45 × 45/32 × 45 = 2025/1440 - Add the two like fractions:
1120/1440 + 2025/1440 = 1120 + 2025/1440 = 3145/1440 - 3145/1440 simplified gives 629/288
- So, 70/90 + 45/32 = 629/288
In mixed form: 253/288
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