3 Tricks to Find LCM Mentally II Add & Subtract Rationals Without LCM

[@boddusridhar4918]

Nice sir

[@Shivendra543]

What if both in the denominator are coprime numbers

[@deventechno6101]

jai mataki sir pranam
devendra baat kar raha hu
13 and 48 ka lcm 644
42 and 203 ka lcm 1218

[@Corazonlatino1995]

LCM = 624 and not 644. Because (10+3)*48 =
10*48 + 3*48 = 480+144 = 624.🤷‍♂️

[@rajendrank9585]

Diy. 7/18 - 1/30= 64/180.