Add 70/48 and 42/90
1st number: 1 22/48, 2nd number: 42/90
70/48 + 42/90 is 77/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
70/48 = 70 × 15/48 × 15 = 1050/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
42/90 = 42 × 8/90 × 8 = 336/720 - Add the two like fractions:
1050/720 + 336/720 = 1050 + 336/720 = 1386/720 - 1386/720 simplified gives 77/40
- So, 70/48 + 42/90 = 77/40
In mixed form: 137/40
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