Add 72/64 and 42/30
1st number: 1 8/64, 2nd number: 1 12/30
72/64 + 42/30 is 101/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 30 is 960
Next, find the equivalent fraction of both fractional numbers with denominator 960 - For the 1st fraction, since 64 × 15 = 960,
72/64 = 72 × 15/64 × 15 = 1080/960 - Likewise, for the 2nd fraction, since 30 × 32 = 960,
42/30 = 42 × 32/30 × 32 = 1344/960 - Add the two like fractions:
1080/960 + 1344/960 = 1080 + 1344/960 = 2424/960 - 2424/960 simplified gives 101/40
- So, 72/64 + 42/30 = 101/40
In mixed form: 221/40
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